20102121112000 has 112 divisors (see below), whose sum is σ = 50722204059072. Its totient is φ = 7889134156800.

The previous prime is 20102121111991. The next prime is 20102121112097. The reversal of 20102121112000 is 21112120102.

It is a super-2 number, since 2×20102121112000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23281332 + ... + 24129331.

It is an arithmetic number, because the mean of its divisors is an integer number (452876821956).

Almost surely, 2^{20102121112000} is an apocalyptic number.

20102121112000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102121112000 is an abundant number, since it is smaller than the sum of its proper divisors (30620082947072).

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

20102121112000 is an equidigital number, since it uses as much as digits as its factorization.

20102121112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47410743 (or 47410723 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20102121112000 its reverse (21112120102), we get a palindrome (20123233232102).

The spelling of 20102121112000 in words is "twenty trillion, one hundred two billion, one hundred twenty-one million, one hundred twelve thousand".