20221012112210 has 32 divisors (see below), whose sum is σ = 44797319142912. Its totient is φ = 6399617019840.

The previous prime is 20221012112167. The next prime is 20221012112261. The reversal of 20221012112210 is 1221121012202.

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, 11110445306 + ... + 11110447125.

It is an arithmetic number, because the mean of its divisors is an integer number (1399916223216).

Almost surely, 2^{20221012112210} is an apocalyptic number.

20221012112210 is an abundant number, since it is smaller than the sum of its proper divisors (24576307030702).

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

20221012112210 is a wasteful number, since it uses less digits than its factorization.

20221012112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22220892458.

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

Adding to 20221012112210 its reverse (1221121012202), we get a palindrome (21442133124412).

The spelling of 20221012112210 in words is "twenty trillion, two hundred twenty-one billion, twelve million, one hundred twelve thousand, two hundred ten".