20212022111210 has 64 divisors (see below), whose sum is σ = 38647866628224. Its totient is φ = 7584328857600.

The previous prime is 20212022111147. The next prime is 20212022111321. The reversal of 20212022111210 is 1211122021202.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233646065 + ... + 233732555.

It is an arithmetic number, because the mean of its divisors is an integer number (603872916066).

Almost surely, 2^{20212022111210} is an apocalyptic number.

20212022111210 is a deficient number, since it is larger than the sum of its proper divisors (18435844517014).

20212022111210 is a wasteful number, since it uses less digits than its factorization.

20212022111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90999.

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

Adding to 20212022111210 its reverse (1211122021202), we get a palindrome (21423144132412).

The spelling of 20212022111210 in words is "twenty trillion, two hundred twelve billion, twenty-two million, one hundred eleven thousand, two hundred ten".