102210101002021 has 32 divisors (see below), whose sum is σ = 108137802378240. Its totient is φ = 96448685389056.

The previous prime is 102210101002003. The next prime is 102210101002049. The reversal of 102210101002021 is 120200101012201.

It is a cyclic number.

It is not a de Polignac number, because 102210101002021 - 2⁹ = 102210101001509 is a prime.

It is a super-3 number, since 3×102210101002021³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102210101001992 and 102210101002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210101002001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2836236415 + ... + 2836272451.

It is an arithmetic number, because the mean of its divisors is an integer number (3379306324320).

Almost surely, 2^{102210101002021} is an apocalyptic number.

It is an amenable number.

102210101002021 is a deficient number, since it is larger than the sum of its proper divisors (5927701376219).

102210101002021 is a wasteful number, since it uses less digits than its factorization.

102210101002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39013.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102210101002021 its reverse (120200101012201), we get a palindrome (222410202014222).

The spelling of 102210101002021 in words is "one hundred two trillion, two hundred ten billion, one hundred one million, two thousand, twenty-one".