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10220221021021 = 111055987992329
BaseRepresentation
bin1001010010111001010010…
…1001001011101101011101
31100012001011202221020102021
42110232110221023231131
52314422003040133041
633423034341500141
72103246414213334
oct224562451135535
940161152836367
1010220221021021
11329040a364640
1211908b7411651
135919bb88969b
142749389cad1b
1512acb8740cd1
hex94b94a4bb5d

10220221021021 has 8 divisors (see below), whose sum is σ = 11150388057600. Its totient is φ = 9290229990240.

The previous prime is 10220221021007. The next prime is 10220221021099. The reversal of 10220221021021 is 12012012202201.

It is a happy number.

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 10220221021021 - 215 = 10220220988253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10220221020986 and 10220221021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220221021421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43880016 + ... + 44112313.

It is an arithmetic number, because the mean of its divisors is an integer number (1393798507200).

Almost surely, 210220221021021 is an apocalyptic number.

10220221021021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10220221021021 is a deficient number, since it is larger than the sum of its proper divisors (930167036579).

10220221021021 is a wasteful number, since it uses less digits than its factorization.

10220221021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88002899.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10220221021021 its reverse (12012012202201), we get a palindrome (22232233223222).

The spelling of 10220221021021 in words is "ten trillion, two hundred twenty billion, two hundred twenty-one million, twenty-one thousand, twenty-one".

Divisors: 1 11 10559 116149 87992329 967915619 929111001911 10220221021021