201225522102 has 32 divisors (see below), whose sum is σ = 443384423424. Its totient is φ = 60373692000.

The previous prime is 201225522059. The next prime is 201225522109.

201225522102 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 (201225522109) 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, 15086758 + ... + 15100089.

It is an arithmetic number, because the mean of its divisors is an integer number (13855763232).

Almost surely, 2^201225522102 is an apocalyptic number.

201225522102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201225522102 is an abundant number, since it is smaller than the sum of its proper divisors (242158901322).

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

201225522102 is a wasteful number, since it uses less digits than its factorization.

201225522102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30186964.

The product of its (nonzero) digits is 1600, while the sum is 24.

It can be divided in two parts, 201225 and 522102, that added together give a palindrome (723327).

The spelling of 201225522102 in words is "two hundred one billion, two hundred twenty-five million, five hundred twenty-two thousand, one hundred two".