2221020022110 has 32 divisors (see below), whose sum is σ = 5385401132832. Its totient is φ = 586166108160.

The previous prime is 2221020022087. The next prime is 2221020022127. The reversal of 2221020022110 is 112200201222.

It is a super-2 number, since 2×2221020022110² (a number of 25 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2221020022110.

It is a congruent number.

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, 381615651 + ... + 381621470.

It is an arithmetic number, because the mean of its divisors is an integer number (168293785401).

Almost surely, 2^{2221020022110} is an apocalyptic number.

2221020022110 is an abundant number, since it is smaller than the sum of its proper divisors (3164381110722).

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

2221020022110 is a wasteful number, since it uses less digits than its factorization.

2221020022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763237228.

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

Adding to 2221020022110 its reverse (112200201222), we get a palindrome (2333220223332).

The spelling of 2221020022110 in words is "two trillion, two hundred twenty-one billion, twenty million, twenty-two thousand, one hundred ten".