201102220100 has 72 divisors (see below), whose sum is σ = 438215702400. Its totient is φ = 80105130880.

The previous prime is 201102220073. The next prime is 201102220133. The reversal of 201102220100 is 1022201102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74508551 + ... + 74511249.

It is an arithmetic number, because the mean of its divisors is an integer number (6086329200).

Almost surely, 2^201102220100 is an apocalyptic number.

201102220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102220100 is an abundant number, since it is smaller than the sum of its proper divisors (237113482300).

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

201102220100 is a wasteful number, since it uses less digits than its factorization.

201102220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549 (or 5542 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201102220100 its reverse (1022201102), we get a palindrome (202124421202).

The spelling of 201102220100 in words is "two hundred one billion, one hundred two million, two hundred twenty thousand, one hundred".