121201011122000 has 40 divisors (see below), whose sum is σ = 293064044897832. Its totient is φ = 48480404448000.

The previous prime is 121201011121999. The next prime is 121201011122027. The reversal of 121201011122000 is 221110102121.

It can be written as a sum of positive squares in 4 ways, for example, as 2537636256016 + 118663374865984 = 1592996^2 + 10893272^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30300250781 + ... + 30300254780.

Almost surely, 2^{121201011122000} is an apocalyptic number.

121201011122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121201011122000 is an abundant number, since it is smaller than the sum of its proper divisors (171863033775832).

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

121201011122000 is an equidigital number, since it uses as much as digits as its factorization.

121201011122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60600505584 (or 60600505568 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121201011122000 its reverse (221110102121), we get a palindrome (121422121224121).

The spelling of 121201011122000 in words is "one hundred twenty-one trillion, two hundred one billion, eleven million, one hundred twenty-two thousand".