122100022000 has 160 divisors (see below), whose sum is σ = 328157728704. Its totient is φ = 43561856000.

The previous prime is 122100021971. The next prime is 122100022043. The reversal of 122100022000 is 220001221.

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

It is a congruent number.

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, 1113642 + ... + 1218358.

Almost surely, 2^122100022000 is an apocalyptic number.

122100022000 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 122100022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164078864352).

122100022000 is an abundant number, since it is smaller than the sum of its proper divisors (206057706704).

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

122100022000 is a wasteful number, since it uses less digits than its factorization.

122100022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104804 (or 104788 counting only the distinct ones).

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

Adding to 122100022000 its reverse (220001221), we get a palindrome (122320023221).

The spelling of 122100022000 in words is "one hundred twenty-two billion, one hundred million, twenty-two thousand".