122011001020 has 24 divisors (see below), whose sum is σ = 262181780784. Its totient is φ = 47669414016.

The previous prime is 122011001011. The next prime is 122011001023. The reversal of 122011001020 is 20100110221.

122011001020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 122011000988 and 122011001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011001023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70935769 + ... + 70937488.

It is an arithmetic number, because the mean of its divisors is an integer number (10924240866).

Almost surely, 2^122011001020 is an apocalyptic number.

122011001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011001020 is an abundant number, since it is smaller than the sum of its proper divisors (140170779764).

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

122011001020 is a wasteful number, since it uses less digits than its factorization.

122011001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141873309 (or 141873307 counting only the distinct ones).

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

Adding to 122011001020 its reverse (20100110221), we get a palindrome (142111111241).

The spelling of 122011001020 in words is "one hundred twenty-two billion, eleven million, one thousand, twenty".