201101220200100 has 144 divisors (see below), whose sum is σ = 641033219123136. Its totient is φ = 48269119680000.

The previous prime is 201101220200053. The next prime is 201101220200137. The reversal of 201101220200100 is 1002022101102.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 301348699 + ... + 302015298.

It is an arithmetic number, because the mean of its divisors is an integer number (4451619577244).

Almost surely, 2^{201101220200100} is an apocalyptic number.

201101220200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101220200100 is an abundant number, since it is smaller than the sum of its proper divisors (439931998923036).

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

201101220200100 is a wasteful number, since it uses less digits than its factorization.

201101220200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603364126 (or 603364119 counting only the distinct ones).

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

Adding to 201101220200100 its reverse (1002022101102), we get a palindrome (202103242301202).

The spelling of 201101220200100 in words is "two hundred one trillion, one hundred one billion, two hundred twenty million, two hundred thousand, one hundred".