10121112202020 has 96 divisors (see below), whose sum is σ = 28505016529920. Its totient is φ = 2683165324800.

The previous prime is 10121112202013. The next prime is 10121112202021. The reversal of 10121112202020 is 2020221112101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (10121112202021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189937741 + ... + 189991019.

It is an arithmetic number, because the mean of its divisors is an integer number (296927255520).

Almost surely, 2^{10121112202020} is an apocalyptic number.

10121112202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121112202020 is an abundant number, since it is smaller than the sum of its proper divisors (18383904327900).

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

10121112202020 is a wasteful number, since it uses less digits than its factorization.

10121112202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71765 (or 71763 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10121112202020 its reverse (2020221112101), we get a palindrome (12141333314121).

The spelling of 10121112202020 in words is "ten trillion, one hundred twenty-one billion, one hundred twelve million, two hundred two thousand, twenty".