202101212222 has 64 divisors (see below), whose sum is σ = 386375270400. Its totient is φ = 77115265920.

The previous prime is 202101212189. The next prime is 202101212227. The reversal of 202101212222 is 222212101202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 202101212222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202101212227) 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, 5211179 + ... + 5249817.

It is an arithmetic number, because the mean of its divisors is an integer number (6037113600).

Almost surely, 2^202101212222 is an apocalyptic number.

202101212222 is a deficient number, since it is larger than the sum of its proper divisors (184274058178).

202101212222 is a wasteful number, since it uses less digits than its factorization.

202101212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39681.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202101212222 its reverse (222212101202), we get a palindrome (424313313424).

The spelling of 202101212222 in words is "two hundred two billion, one hundred one million, two hundred twelve thousand, two hundred twenty-two".