20211222012110 has 16 divisors (see below), whose sum is σ = 36386791531200. Its totient is φ = 8083023936096.

The previous prime is 20211222012067. The next prime is 20211222012139. The reversal of 20211222012110 is 1121022211202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183050645 + ... + 183161024.

It is an arithmetic number, because the mean of its divisors is an integer number (2274174470700).

Almost surely, 2^{20211222012110} is an apocalyptic number.

20211222012110 is a deficient number, since it is larger than the sum of its proper divisors (16175569519090).

20211222012110 is a wasteful number, since it uses less digits than its factorization.

20211222012110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366217195.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20211222012110 its reverse (1121022211202), we get a palindrome (21332244223312).

The spelling of 20211222012110 in words is "twenty trillion, two hundred eleven billion, two hundred twenty-two million, twelve thousand, one hundred ten".