120022021000 has 192 divisors, whose sum is σ = 331315920000. Its totient is φ = 40569648000.

The previous prime is 120022020953. The next prime is 120022021061. The reversal of 120022021000 is 120220021.

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 47 ways as a sum of consecutive naturals, for example, 3461751 + ... + 3496249.

It is an arithmetic number, because the mean of its divisors is an integer number (1725603750).

Almost surely, 2^120022021000 is an apocalyptic number.

120022021000 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 120022021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165657960000).

120022021000 is an abundant number, since it is smaller than the sum of its proper divisors (211293899000).

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

120022021000 is a wasteful number, since it uses less digits than its factorization.

120022021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34605 (or 34584 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 120022021000 its reverse (120220021), we get a palindrome (120142241021).

The spelling of 120022021000 in words is "one hundred twenty billion, twenty-two million, twenty-one thousand".