102010001010221 has 16 divisors (see below), whose sum is σ = 106572086933760. Its totient is φ = 97458533568000.

The previous prime is 102010001010161. The next prime is 102010001010233. The reversal of 102010001010221 is 122010100010201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102010001010221 is a prime.

It is a super-2 number, since 2×102010001010221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010001010821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97299035 + ... + 98341863.

It is an arithmetic number, because the mean of its divisors is an integer number (6660755433360).

Almost surely, 2^{102010001010221} is an apocalyptic number.

It is an amenable number.

102010001010221 is a deficient number, since it is larger than the sum of its proper divisors (4562085923539).

102010001010221 is a wasteful number, since it uses less digits than its factorization.

102010001010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047916.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102010001010221 its reverse (122010100010201), we get a palindrome (224020101020422).

The spelling of 102010001010221 in words is "one hundred two trillion, ten billion, one million, ten thousand, two hundred twenty-one".