102220002022021 has 32 divisors (see below), whose sum is σ = 119055931481088. Its totient is φ = 86904306708480.

The previous prime is 102220002022001. The next prime is 102220002022067. The reversal of 102220002022021 is 120220200022201.

It is a cyclic number.

It is not a de Polignac number, because 102220002022021 - 2¹¹ = 102220002019973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102220002021986 and 102220002022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220002022001) 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, 70652941 + ... + 72085213.

It is an arithmetic number, because the mean of its divisors is an integer number (3720497858784).

Almost surely, 2^{102220002022021} is an apocalyptic number.

It is an amenable number.

102220002022021 is a deficient number, since it is larger than the sum of its proper divisors (16835929459067).

102220002022021 is a wasteful number, since it uses less digits than its factorization.

102220002022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439221.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102220002022021 its reverse (120220200022201), we get a palindrome (222440202044222).

The spelling of 102220002022021 in words is "one hundred two trillion, two hundred twenty billion, two million, twenty-two thousand, twenty-one".