121022113000 has 128 divisors (see below), whose sum is σ = 296187840000. Its totient is φ = 46197043200.

The previous prime is 121022112979. The next prime is 121022113007. The reversal of 121022113000 is 311220121.

It is not an unprimeable number, because it can be changed into a prime (121022113007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10321141 + ... + 10332859.

It is an arithmetic number, because the mean of its divisors is an integer number (2313967500).

Almost surely, 2^121022113000 is an apocalyptic number.

121022113000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121022113000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148093920000).

121022113000 is an abundant number, since it is smaller than the sum of its proper divisors (175165727000).

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

121022113000 is a wasteful number, since it uses less digits than its factorization.

121022113000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212 (or 12198 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 121022113000 its reverse (311220121), we get a palindrome (121333333121).

It can be divided in two parts, 1210221 and 13000, that added together give a palindrome (1223221).

The spelling of 121022113000 in words is "one hundred twenty-one billion, twenty-two million, one hundred thirteen thousand".