102210010002021 has 16 divisors (see below), whose sum is σ = 136976003329536. Its totient is φ = 67792390550976.

The previous prime is 102210010002019. The next prime is 102210010002041. The reversal of 102210010002021 is 120200010012201.

It is not a de Polignac number, because 102210010002021 - 2¹ = 102210010002019 is a prime.

It is a super-2 number, since 2×102210010002021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102210010001988 and 102210010002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210010002041) 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, 46279950 + ... + 48438143.

It is an arithmetic number, because the mean of its divisors is an integer number (8561000208096).

Almost surely, 2^{102210010002021} is an apocalyptic number.

It is an amenable number.

102210010002021 is a deficient number, since it is larger than the sum of its proper divisors (34765993327515).

102210010002021 is a wasteful number, since it uses less digits than its factorization.

102210010002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94719932.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102210010002021 its reverse (120200010012201), we get a palindrome (222410020014222).

The spelling of 102210010002021 in words is "one hundred two trillion, two hundred ten billion, ten million, two thousand, twenty-one".