20221001100212 has 36 divisors (see below), whose sum is σ = 38948532738528. Its totient is φ = 9178993362000.

The previous prime is 20221001100191. The next prime is 20221001100299. The reversal of 20221001100212 is 21200110012202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27755414 + ... + 28474637.

Almost surely, 2^{20221001100212} is an apocalyptic number.

20221001100212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20221001100212 is a deficient number, since it is larger than the sum of its proper divisors (18727531638316).

20221001100212 is a wasteful number, since it uses less digits than its factorization.

20221001100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56230820 (or 56230807 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221001100212 its reverse (21200110012202), we get a palindrome (41421111112414).

The spelling of 20221001100212 in words is "twenty trillion, two hundred twenty-one billion, one million, one hundred thousand, two hundred twelve".