122211020230020 has 144 divisors (see below), whose sum is σ = 389213481908160. Its totient is φ = 30996186617088.

The previous prime is 122211020229979. The next prime is 122211020230021. The reversal of 122211020230020 is 20032020112221.

122211020230020 is a `hidden beast` number, since 12 + 22 + 110 + 202 + 300 + 20 = 666.

122211020230020 is digitally balanced in base 4, 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 122211020229975 and 122211020230002.

It is not an unprimeable number, because it can be changed into a prime (122211020230021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174367222 + ... + 175066701.

It is an arithmetic number, because the mean of its divisors is an integer number (2702871402140).

Almost surely, 2^{122211020230020} is an apocalyptic number.

122211020230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122211020230020 is an abundant number, since it is smaller than the sum of its proper divisors (267002461678140).

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

122211020230020 is a wasteful number, since it uses less digits than its factorization.

122211020230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349434034 (or 349434029 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122211020230020 its reverse (20032020112221), we get a palindrome (142243040342241).

The spelling of 122211020230020 in words is "one hundred twenty-two trillion, two hundred eleven billion, twenty million, two hundred thirty thousand, twenty".