201222122202102 has 64 divisors (see below), whose sum is σ = 424373086560960. Its totient is φ = 63509825433600.

The previous prime is 201222122202097. The next prime is 201222122202109. The reversal of 201222122202102 is 201202221222102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222122202109) 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, 14880202 + ... + 24977282.

It is an arithmetic number, because the mean of its divisors is an integer number (6630829477515).

Almost surely, 2^{201222122202102} is an apocalyptic number.

201222122202102 is an abundant number, since it is smaller than the sum of its proper divisors (223150964358858).

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

201222122202102 is a wasteful number, since it uses less digits than its factorization.

201222122202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10099329.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 201222122202102 its reverse (201202221222102), we get a palindrome (402424343424204).

The spelling of 201222122202102 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred two thousand, one hundred two".