22101000010002 has 64 divisors (see below), whose sum is σ = 50553245859840. Its totient is φ = 7153481554128.

The previous prime is 22101000009973. The next prime is 22101000010043. The reversal of 22101000010002 is 20001000010122.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33961288 + ... + 34605939.

It is an arithmetic number, because the mean of its divisors is an integer number (789894466560).

Almost surely, 2^{22101000010002} is an apocalyptic number.

22101000010002 is an abundant number, since it is smaller than the sum of its proper divisors (28452245849838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22101000010002 is a wasteful number, since it uses less digits than its factorization.

22101000010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68567412 (or 68567406 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22101000010002 its reverse (20001000010122), we get a palindrome (42102000020124).

The spelling of 22101000010002 in words is "twenty-two trillion, one hundred one billion, ten thousand, two".