2101222022110 has 16 divisors (see below), whose sum is σ = 3782243970000. Its totient is φ = 840478957696.

The previous prime is 2101222022033. The next prime is 2101222022111. The reversal of 2101222022110 is 112202221012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101222022111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302155 + ... + 2072134.

It is an arithmetic number, because the mean of its divisors is an integer number (236390248125).

Almost surely, 2^{2101222022110} is an apocalyptic number.

2101222022110 is a deficient number, since it is larger than the sum of its proper divisors (1681021947890).

2101222022110 is a wasteful number, since it uses less digits than its factorization.

2101222022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462795.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2101222022110 its reverse (112202221012), we get a palindrome (2213424243122).

The spelling of 2101222022110 in words is "two trillion, one hundred one billion, two hundred twenty-two million, twenty-two thousand, one hundred ten".