100122200101020 has 96 divisors (see below), whose sum is σ = 280901804617728. Its totient is φ = 26646006177792.

The previous prime is 100122200100959. The next prime is 100122200101037. The reversal of 100122200101020 is 20101002221001.

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 = 100122200100987 and 100122200101005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60546837 + ... + 62178483.

It is an arithmetic number, because the mean of its divisors is an integer number (2926060464768).

Almost surely, 2^{100122200101020} is an apocalyptic number.

100122200101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100122200101020 is an abundant number, since it is smaller than the sum of its proper divisors (180779604516708).

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

100122200101020 is a wasteful number, since it uses less digits than its factorization.

100122200101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633699 (or 1633697 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100122200101020 its reverse (20101002221001), we get a palindrome (120223202322021).

The spelling of 100122200101020 in words is "one hundred trillion, one hundred twenty-two billion, two hundred million, one hundred one thousand, twenty".