12201122101110 has 32 divisors (see below), whose sum is σ = 29284242197760. Its totient is φ = 3253460431968.

The previous prime is 12201122101057. The next prime is 12201122101111. The reversal of 12201122101110 is 1110122110221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12201122101110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201122101111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10180992 + ... + 11316131.

It is an arithmetic number, because the mean of its divisors is an integer number (915132568680).

Almost surely, 2^{12201122101110} is an apocalyptic number.

12201122101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201122101110 is an abundant number, since it is smaller than the sum of its proper divisors (17083120096650).

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

12201122101110 is a wasteful number, since it uses less digits than its factorization.

12201122101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21516052.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12201122101110 its reverse (1110122110221), we get a palindrome (13311244211331).

The spelling of 12201122101110 in words is "twelve trillion, two hundred one billion, one hundred twenty-two million, one hundred one thousand, one hundred ten".