121023002133220 has 96 divisors (see below), whose sum is σ = 282629699960832. Its totient is φ = 43161362160000.

The previous prime is 121023002133049. The next prime is 121023002133289. The reversal of 121023002133220 is 22331200320121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 121023002133191 and 121023002133200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17299176 + ... + 23266015.

It is an arithmetic number, because the mean of its divisors is an integer number (2944059374592).

Almost surely, 2^{121023002133220} is an apocalyptic number.

121023002133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121023002133220 is an abundant number, since it is smaller than the sum of its proper divisors (161606697827612).

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

121023002133220 is a wasteful number, since it uses less digits than its factorization.

121023002133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40565473 (or 40565471 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121023002133220 its reverse (22331200320121), we get a palindrome (143354202453341).

The spelling of 121023002133220 in words is "one hundred twenty-one trillion, twenty-three billion, two million, one hundred thirty-three thousand, two hundred twenty".