201102212220020 has 24 divisors (see below), whose sum is σ = 425352880528800. Its totient is φ = 79862173484832.

The previous prime is 201102212219977. The next prime is 201102212220043. The reversal of 201102212220020 is 20022212201102.

It is a happy number.

201102212220020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201102212220020² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36169459850 + ... + 36169465409.

It is an arithmetic number, because the mean of its divisors is an integer number (17723036688700).

Almost surely, 2^{201102212220020} is an apocalyptic number.

201102212220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102212220020 is an abundant number, since it is smaller than the sum of its proper divisors (224250668308780).

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

201102212220020 is a wasteful number, since it uses less digits than its factorization.

201102212220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72338925407 (or 72338925405 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201102212220020 its reverse (20022212201102), we get a palindrome (221124424421122).

The spelling of 201102212220020 in words is "two hundred one trillion, one hundred two billion, two hundred twelve million, two hundred twenty thousand, twenty".