122111101000 has 64 divisors (see below), whose sum is σ = 326559991680. Its totient is φ = 41866660800.

The previous prime is 122111100989. The next prime is 122111101037. The reversal of 122111101000 is 101111221.

122111101000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122111101000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8715222 + ... + 8729221.

It is an arithmetic number, because the mean of its divisors is an integer number (5102499870).

Almost surely, 2^122111101000 is an apocalyptic number.

122111101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122111101000 is an abundant number, since it is smaller than the sum of its proper divisors (204448890680).

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

122111101000 is a wasteful number, since it uses less digits than its factorization.

122111101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17444471 (or 17444457 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 122111101000 its reverse (101111221), we get a palindrome (122212212221).

The spelling of 122111101000 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred one thousand".