201212220110 has 48 divisors (see below), whose sum is σ = 399094604496. Its totient is φ = 72985440000.

The previous prime is 201212220103. The next prime is 201212220113. The reversal of 201212220110 is 11022212102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212220113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277865 + ... + 692555.

It is an arithmetic number, because the mean of its divisors is an integer number (8314470927).

Almost surely, 2^201212220110 is an apocalyptic number.

201212220110 is a deficient number, since it is larger than the sum of its proper divisors (197882384386).

201212220110 is a wasteful number, since it uses less digits than its factorization.

201212220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415121 (or 415110 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201212220110 its reverse (11022212102), we get a palindrome (212234432212).

The spelling of 201212220110 in words is "two hundred one billion, two hundred twelve million, two hundred twenty thousand, one hundred ten".