2101022022210 has 64 divisors (see below), whose sum is σ = 5056169040000. Its totient is φ = 558748954112.

The previous prime is 2101022022193. The next prime is 2101022022217. The reversal of 2101022022210 is 122202201012.

It is a super-2 number, since 2×2101022022210² (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 2101022022210.

It is not an unprimeable number, because it can be changed into a prime (2101022022217) 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, 155636041 + ... + 155649539.

It is an arithmetic number, because the mean of its divisors is an integer number (79002641250).

Almost surely, 2^{2101022022210} is an apocalyptic number.

2101022022210 is an abundant number, since it is smaller than the sum of its proper divisors (2955147017790).

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

2101022022210 is a wasteful number, since it uses less digits than its factorization.

2101022022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27235.

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

Adding to 2101022022210 its reverse (122202201012), we get a palindrome (2223224223222).

The spelling of 2101022022210 in words is "two trillion, one hundred one billion, twenty-two million, twenty-two thousand, two hundred ten".