201222021111102 has 96 divisors (see below), whose sum is σ = 466647916644000. Its totient is φ = 62482693109760.

The previous prime is 201222021111101. The next prime is 201222021111107. The reversal of 201222021111102 is 201111120222102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222021111101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12752827 + ... + 23771382.

It is an arithmetic number, because the mean of its divisors is an integer number (4860915798375).

Almost surely, 2^{201222021111102} is an apocalyptic number.

201222021111102 is an abundant number, since it is smaller than the sum of its proper divisors (265425895532898).

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

201222021111102 is a wasteful number, since it uses less digits than its factorization.

201222021111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36524506 (or 36524503 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201222021111102 its reverse (201111120222102), we get a palindrome (402333141333204).

The spelling of 201222021111102 in words is "two hundred one trillion, two hundred twenty-two billion, twenty-one million, one hundred eleven thousand, one hundred two".