22220121020010 has 32 divisors (see below), whose sum is σ = 53826685693632. Its totient is φ = 5869988355840.

The previous prime is 22220121019981. The next prime is 22220121020029. The reversal of 22220121020010 is 1002012102222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3461074831 + ... + 3461081250.

It is an arithmetic number, because the mean of its divisors is an integer number (1682083927926).

Almost surely, 2^{22220121020010} is an apocalyptic number.

22220121020010 is an abundant number, since it is smaller than the sum of its proper divisors (31606564673622).

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

22220121020010 is a wasteful number, since it uses less digits than its factorization.

22220121020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6922156198.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22220121020010 its reverse (1002012102222), we get a palindrome (23222133122232).

The spelling of 22220121020010 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty-one million, twenty thousand, ten".