20110112021200 has 60 divisors (see below), whose sum is σ = 48328999795648. Its totient is φ = 8041638038400.

The previous prime is 20110112021183. The next prime is 20110112021203. The reversal of 20110112021200 is 212021101102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110112021203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6182286 + ... + 8856685.

Almost surely, 2^{20110112021200} is an apocalyptic number.

20110112021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110112021200 is an abundant number, since it is smaller than the sum of its proper divisors (28218887774448).

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

20110112021200 is a wasteful number, since it uses less digits than its factorization.

20110112021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15042332 (or 15042321 counting only the distinct ones).

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

Adding to 20110112021200 its reverse (212021101102), we get a palindrome (20322133122302).

The spelling of 20110112021200 in words is "twenty trillion, one hundred ten billion, one hundred twelve million, twenty-one thousand, two hundred".