122021022011020 has 48 divisors (see below), whose sum is σ = 279544026375936. Its totient is φ = 44370493784000.

The previous prime is 122021022011003. The next prime is 122021022011059. The reversal of 122021022011020 is 20110220120221.

It is a happy number.

It is a super-2 number, since 2×122021022011020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122021022010985 and 122021022011003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7586355 + ... + 17366485.

It is an arithmetic number, because the mean of its divisors is an integer number (5823833882832).

Almost surely, 2^{122021022011020} is an apocalyptic number.

122021022011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122021022011020 is an abundant number, since it is smaller than the sum of its proper divisors (157523004364916).

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

122021022011020 is a wasteful number, since it uses less digits than its factorization.

122021022011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9836862 (or 9836860 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122021022011020 its reverse (20110220120221), we get a palindrome (142131242131241).

The spelling of 122021022011020 in words is "one hundred twenty-two trillion, twenty-one billion, twenty-two million, eleven thousand, twenty".