122011102020 has 192 divisors, whose sum is σ = 360847872000. Its totient is φ = 30757676544.

The previous prime is 122011102009. The next prime is 122011102039. The reversal of 122011102020 is 20201110221.

It is a super-2 number, since 2×122011102020² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 122011101987 and 122011102005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26997321 + ... + 27001839.

It is an arithmetic number, because the mean of its divisors is an integer number (1879416000).

Almost surely, 2^122011102020 is an apocalyptic number.

122011102020 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 122011102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180423936000).

122011102020 is an abundant number, since it is smaller than the sum of its proper divisors (238836769980).

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

122011102020 is a wasteful number, since it uses less digits than its factorization.

122011102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882 (or 4880 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122011102020 its reverse (20201110221), we get a palindrome (142212212241).

The spelling of 122011102020 in words is "one hundred twenty-two billion, eleven million, one hundred two thousand, twenty".