201102111010220 has 24 divisors (see below), whose sum is σ = 482645066424864. Its totient is φ = 68949295203456.

The previous prime is 201102111010193. The next prime is 201102111010247. The reversal of 201102111010220 is 22010111201102.

It is an interprime number because it is at equal distance from previous prime (201102111010193) and next prime (201102111010247).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 201102111010195 and 201102111010204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718221824897 + ... + 718221825176.

It is an arithmetic number, because the mean of its divisors is an integer number (20110211101036).

Almost surely, 2^{201102111010220} is an apocalyptic number.

201102111010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102111010220 is an abundant number, since it is smaller than the sum of its proper divisors (281542955414644).

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

201102111010220 is a wasteful number, since it uses less digits than its factorization.

201102111010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436443650089 (or 1436443650087 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201102111010220 its reverse (22010111201102), we get a palindrome (223112222211322).

The spelling of 201102111010220 in words is "two hundred one trillion, one hundred two billion, one hundred eleven million, ten thousand, two hundred twenty".