122021111010000 has 400 divisors, whose sum is σ = 396032248313856. Its totient is φ = 32363131584000.

The previous prime is 122021111009983. The next prime is 122021111010013. The reversal of 122021111010000 is 10111120221.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-2 number, since 2×122021111010000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7780462159 + ... + 7780477841.

Almost surely, 2^{122021111010000} is an apocalyptic number.

122021111010000 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 122021111010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198016124156928).

122021111010000 is an abundant number, since it is smaller than the sum of its proper divisors (274011137303856).

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

122021111010000 is a wasteful number, since it uses less digits than its factorization.

122021111010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17100 (or 17079 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122021111010000 its reverse (10111120221), we get a palindrome (122031222130221).

The spelling of 122021111010000 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred eleven million, ten thousand".