121022011201000 has 128 divisors (see below), whose sum is σ = 348543392520960. Its totient is φ = 38301471648000.

The previous prime is 121022011200973. The next prime is 121022011201027. The reversal of 121022011201000 is 102110220121.

It is an interprime number because it is at equal distance from previous prime (121022011200973) and next prime (121022011201027).

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 664865106 + ... + 665047105.

It is an arithmetic number, because the mean of its divisors is an integer number (2722995254070).

Almost surely, 2^{121022011201000} is an apocalyptic number.

121022011201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022011201000 is an abundant number, since it is smaller than the sum of its proper divisors (227521381319960).

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

121022011201000 is a wasteful number, since it uses less digits than its factorization.

121022011201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329912252 (or 1329912238 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121022011201000 its reverse (102110220121), we get a palindrome (121124121421121).

The spelling of 121022011201000 in words is "one hundred twenty-one trillion, twenty-two billion, eleven million, two hundred one thousand".