201022120102100 has 72 divisors (see below), whose sum is σ = 492283637143200. Its totient is φ = 70578299209600.

The previous prime is 201022120102093. The next prime is 201022120102109. The reversal of 201022120102100 is 1201021220102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022120102109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3150785030 + ... + 3150848829.

It is an arithmetic number, because the mean of its divisors is an integer number (6837272738100).

Almost surely, 2^{201022120102100} is an apocalyptic number.

201022120102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022120102100 is an abundant number, since it is smaller than the sum of its proper divisors (291261517041100).

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

201022120102100 is a wasteful number, since it uses less digits than its factorization.

201022120102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6301633913 (or 6301633906 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201022120102100 its reverse (1201021220102), we get a palindrome (202223141322202).

The spelling of 201022120102100 in words is "two hundred one trillion, twenty-two billion, one hundred twenty million, one hundred two thousand, one hundred".