121000202021120 has 72 divisors (see below), whose sum is σ = 290428438138944. Its totient is φ = 48300696410112.

The previous prime is 121000202021119. The next prime is 121000202021141. The reversal of 121000202021120 is 21120202000121.

It is a junction number, because it is equal to n+sod(n) for n = 121000202021095 and 121000202021104.

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, 96431474 + ... + 97678193.

Almost surely, 2^{121000202021120} is an apocalyptic number.

121000202021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121000202021120 is an abundant number, since it is smaller than the sum of its proper divisors (169428236117824).

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

121000202021120 is an equidigital number, since it uses as much as digits as its factorization.

121000202021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194110175 (or 194110161 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121000202021120 its reverse (21120202000121), we get a palindrome (142120404021241).

The spelling of 121000202021120 in words is "one hundred twenty-one trillion, two hundred two million, twenty-one thousand, one hundred twenty".