20221212021102 has 24 divisors (see below), whose sum is σ = 43814970824040. Its totient is φ = 6740043271920.

The previous prime is 20221212021079. The next prime is 20221212021137. The reversal of 20221212021102 is 20112021212202.

It is a happy number.

20221212021102 is a `hidden beast` number, since 20 + 221 + 212 + 0 + 211 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 29715477 + ... + 30388352.

It is an arithmetic number, because the mean of its divisors is an integer number (1825623784335).

Almost surely, 2^{20221212021102} is an apocalyptic number.

20221212021102 is an abundant number, since it is smaller than the sum of its proper divisors (23593758802938).

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

20221212021102 is a wasteful number, since it uses less digits than its factorization.

20221212021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60122528 (or 60122525 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20221212021102 its reverse (20112021212202), we get a palindrome (40333233233304).

The spelling of 20221212021102 in words is "twenty trillion, two hundred twenty-one billion, two hundred twelve million, twenty-one thousand, one hundred two".