20212011212102 has 32 divisors (see below), whose sum is σ = 32959299764160. Its totient is φ = 9258407838720.

The previous prime is 20212011212083. The next prime is 20212011212167. The reversal of 20212011212102 is 20121211021202.

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

It is a congruent number.

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, 15902033 + ... + 17125964.

It is an arithmetic number, because the mean of its divisors is an integer number (1029978117630).

Almost surely, 2^{20212011212102} is an apocalyptic number.

20212011212102 is a deficient number, since it is larger than the sum of its proper divisors (12747288552058).

20212011212102 is a wasteful number, since it uses less digits than its factorization.

20212011212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33028496.

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

Adding to 20212011212102 its reverse (20121211021202), we get a palindrome (40333222233304).

The spelling of 20212011212102 in words is "twenty trillion, two hundred twelve billion, eleven million, two hundred twelve thousand, one hundred two".