120122011000 has 128 divisors (see below), whose sum is σ = 287039712960. Its totient is φ = 47040768000.

The previous prime is 120122010989. The next prime is 120122011001. The reversal of 120122011000 is 110221021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122011001) 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, 9994995 + ... + 10007005.

Almost surely, 2^120122011000 is an apocalyptic number.

120122011000 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 120122011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143519856480).

120122011000 is an abundant number, since it is smaller than the sum of its proper divisors (166917701960).

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

120122011000 is a wasteful number, since it uses less digits than its factorization.

120122011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12242 (or 12228 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120122011000 its reverse (110221021), we get a palindrome (120232232021).

The spelling of 120122011000 in words is "one hundred twenty billion, one hundred twenty-two million, eleven thousand".