121113112222020 has 48 divisors (see below), whose sum is σ = 339428689302528. Its totient is φ = 32267118013440.

The previous prime is 121113112222013. The next prime is 121113112222057. The reversal of 121113112222020 is 20222211311121.

It is a super-2 number, since 2×121113112222020² (a number of 29 digits) contains 22 as substring.

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, 928431501 + ... + 928561940.

It is an arithmetic number, because the mean of its divisors is an integer number (7071431027136).

Almost surely, 2^{121113112222020} is an apocalyptic number.

121113112222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121113112222020 is an abundant number, since it is smaller than the sum of its proper divisors (218315577080508).

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

121113112222020 is a wasteful number, since it uses less digits than its factorization.

121113112222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856994540 (or 1856994538 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 121113112222020 its reverse (20222211311121), we get a palindrome (141335323533141).

The spelling of 121113112222020 in words is "one hundred twenty-one trillion, one hundred thirteen billion, one hundred twelve million, two hundred twenty-two thousand, twenty".