201201222102 has 32 divisors (see below), whose sum is σ = 435138573312. Its totient is φ = 61778930304.

The previous prime is 201201221993. The next prime is 201201222109. The reversal of 201201222102 is 201222102102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201222109) 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, 20979898 + ... + 20989485.

It is an arithmetic number, because the mean of its divisors is an integer number (13598080416).

Almost surely, 2^201201222102 is an apocalyptic number.

201201222102 is an abundant number, since it is smaller than the sum of its proper divisors (233937351210).

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

201201222102 is a wasteful number, since it uses less digits than its factorization.

201201222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41969452.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201201222102 its reverse (201222102102), we get a palindrome (402423324204).

The spelling of 201201222102 in words is "two hundred one billion, two hundred one million, two hundred twenty-two thousand, one hundred two".