102210001122021 has 16 divisors (see below), whose sum is σ = 146877469158336. Its totient is φ = 62849437675776.

The previous prime is 102210001122013. The next prime is 102210001122067. The reversal of 102210001122021 is 120221100012201.

It is not a de Polignac number, because 102210001122021 - 2³ = 102210001122013 is a prime.

It is a super-2 number, since 2×102210001122021² (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 (102210001122071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021294180 + ... + 1021394253.

It is an arithmetic number, because the mean of its divisors is an integer number (9179841822396).

Almost surely, 2^{102210001122021} is an apocalyptic number.

It is an amenable number.

102210001122021 is a deficient number, since it is larger than the sum of its proper divisors (44667468036315).

102210001122021 is a wasteful number, since it uses less digits than its factorization.

102210001122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042689732.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102210001122021 its reverse (120221100012201), we get a palindrome (222431101134222).

The spelling of 102210001122021 in words is "one hundred two trillion, two hundred ten billion, one million, one hundred twenty-two thousand, twenty-one".