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10101111103021 = 163257241128431
BaseRepresentation
bin1001001011111101100100…
…1000111001111000101101
31022202122201210121110212211
42102333121020321320231
52310444033420244041
633252215242530421
72061531643501231
oct222773110717055
938678653543784
1010101111103021
113244947978284
1211717b5806a11
135836b8c05573
1426cc7997c5c1
15127b469a8481
hex92fd9239e2d

10101111103021 has 8 divisors (see below), whose sum is σ = 10202626214784. Its totient is φ = 10000078248960.

The previous prime is 10101111103001. The next prime is 10101111103051. The reversal of 10101111103021 is 12030111110101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10101111103021 - 27 = 10101111102893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101111102992 and 10101111103010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101111103001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120522325 + ... + 120606106.

It is an arithmetic number, because the mean of its divisors is an integer number (1275328276848).

Almost surely, 210101111103021 is an apocalyptic number.

It is an amenable number.

10101111103021 is a deficient number, since it is larger than the sum of its proper divisors (101515111763).

10101111103021 is a wasteful number, since it uses less digits than its factorization.

10101111103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241128851.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 10101111103021 its reverse (12030111110101), we get a palindrome (22131222213122).

The spelling of 10101111103021 in words is "ten trillion, one hundred one billion, one hundred eleven million, one hundred three thousand, twenty-one".

Divisors: 1 163 257 41891 241128431 39303934253 61970006767 10101111103021