201122221102 has 64 divisors (see below), whose sum is σ = 349924147200. Its totient is φ = 85738716000.

The previous prime is 201122221081. The next prime is 201122221109.

It is a happy number.

201122221102 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122221109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16839849 + ... + 16851787.

It is an arithmetic number, because the mean of its divisors is an integer number (5467564800).

Almost surely, 2^201122221102 is an apocalyptic number.

201122221102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201122221102 is a deficient number, since it is larger than the sum of its proper divisors (148801926098).

201122221102 is a wasteful number, since it uses less digits than its factorization.

201122221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12373.

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 201122 and 221102, that added together give a palindrome (422224).

The spelling of 201122221102 in words is "two hundred one billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred two".