122021001122020 has 96 divisors (see below), whose sum is σ = 344048025597696. Its totient is φ = 35106941376000.

The previous prime is 122021001121997. The next prime is 122021001122021. The reversal of 122021001122020 is 20221100120221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122021001121985 and 122021001122003.

It is not an unprimeable number, because it can be changed into a prime (122021001122021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3047457531 + ... + 3047497570.

It is an arithmetic number, because the mean of its divisors is an integer number (3583833599976).

Almost surely, 2^{122021001122020} is an apocalyptic number.

122021001122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122021001122020 is an abundant number, since it is smaller than the sum of its proper divisors (222027024475676).

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

122021001122020 is a wasteful number, since it uses less digits than its factorization.

122021001122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6094955141 (or 6094955139 counting only the distinct ones).

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

Adding to 122021001122020 its reverse (20221100120221), we get a palindrome (142242101242241).

The spelling of 122021001122020 in words is "one hundred twenty-two trillion, twenty-one billion, one million, one hundred twenty-two thousand, twenty".