201102322100 has 36 divisors (see below), whose sum is σ = 440712774348. Its totient is φ = 79644480000.

The previous prime is 201102322097. The next prime is 201102322121. The reversal of 201102322100 is 1223201102.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3813556516 + 197288765584 = 61754^2 + 444172^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9945461 + ... + 9965660.

Almost surely, 2^201102322100 is an apocalyptic number.

201102322100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102322100 is an abundant number, since it is smaller than the sum of its proper divisors (239610452248).

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

201102322100 is a wasteful number, since it uses less digits than its factorization.

201102322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19911236 (or 19911229 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 201102322100 its reverse (1223201102), we get a palindrome (202325523202).

The spelling of 201102322100 in words is "two hundred one billion, one hundred two million, three hundred twenty-two thousand, one hundred".