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10101101212020 = 223571337151133091
BaseRepresentation
bin1001001011111101100010…
…0011001011000101110100
31022202122201002222221222110
42102333120203023011310
52310444023402241040
633252214250531020
72061531463434420
oct222773043130564
938678632887873
1010101101212020
113244942331aa5
1211717b2436a70
135836b6b514c0
1426cc78525b80
15127b45ba2980
hex92fd88cb174

10101101212020 has 384 divisors, whose sum is σ = 35775499640832. Its totient is φ = 2072185804800.

The previous prime is 10101101211959. The next prime is 10101101212067. The reversal of 10101101212020 is 2021210110101.

10101101212020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10101101211987 and 10101101212005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 305235675 + ... + 305268765.

It is an arithmetic number, because the mean of its divisors is an integer number (93165363648).

Almost surely, 210101101212020 is an apocalyptic number.

10101101212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10101101212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17887749820416).

10101101212020 is an abundant number, since it is smaller than the sum of its proper divisors (25674398428812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101101212020 is a wasteful number, since it uses less digits than its factorization.

10101101212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34671 (or 34669 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10101101212020 its reverse (2021210110101), we get a palindrome (12122311322121).

The spelling of 10101101212020 in words is "ten trillion, one hundred one billion, one hundred one million, two hundred twelve thousand, twenty".