122100110110020 has 48 divisors (see below), whose sum is σ = 390720352353408. Its totient is φ = 27908596596480.

The previous prime is 122100110110019. The next prime is 122100110110031. The reversal of 122100110110020 is 20011011001221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 122100110109978 and 122100110110005.

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, 145357273521 + ... + 145357274360.

It is an arithmetic number, because the mean of its divisors is an integer number (8140007340696).

Almost surely, 2^{122100110110020} is an apocalyptic number.

122100110110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100110110020 is an abundant number, since it is smaller than the sum of its proper divisors (268620242243388).

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

122100110110020 is a wasteful number, since it uses less digits than its factorization.

122100110110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290714547900 (or 290714547898 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122100110110020 its reverse (20011011001221), we get a palindrome (142111121111241).

The spelling of 122100110110020 in words is "one hundred twenty-two trillion, one hundred billion, one hundred ten million, one hundred ten thousand, twenty".