122001000110020 has 12 divisors (see below), whose sum is σ = 256202100231084. Its totient is φ = 48800400044000.

The previous prime is 122001000109997. The next prime is 122001000110047. The reversal of 122001000110020 is 20011000100221.

It can be written as a sum of positive squares in 2 ways, for example, as 28876608700416 + 93124391409604 = 5373696^2 + 9650098^2 .

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 = 122001000109979 and 122001000110006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050025002731 + ... + 3050025002770.

It is an arithmetic number, because the mean of its divisors is an integer number (21350175019257).

Almost surely, 2^{122001000110020} is an apocalyptic number.

122001000110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001000110020 is an abundant number, since it is smaller than the sum of its proper divisors (134201100121064).

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

122001000110020 is a wasteful number, since it uses less digits than its factorization.

122001000110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100050005510 (or 6100050005508 counting only the distinct ones).

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

Adding to 122001000110020 its reverse (20011000100221), we get a palindrome (142012000210241).

The spelling of 122001000110020 in words is "one hundred twenty-two trillion, one billion, one hundred ten thousand, twenty".