202121113222 has 24 divisors (see below), whose sum is σ = 354508112376. Its totient is φ = 86174500608.

The previous prime is 202121113219. The next prime is 202121113231. The reversal of 202121113222 is 222311121202.

It is a self number, because there is not a number n which added to its sum of digits gives 202121113222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5324248 + ... + 5362075.

It is an arithmetic number, because the mean of its divisors is an integer number (14771171349).

Almost surely, 2^202121113222 is an apocalyptic number.

202121113222 is a deficient number, since it is larger than the sum of its proper divisors (152386999154).

202121113222 is a wasteful number, since it uses less digits than its factorization.

202121113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10686532 (or 10686525 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 202121113222 its reverse (222311121202), we get a palindrome (424432234424).

The spelling of 202121113222 in words is "two hundred two billion, one hundred twenty-one million, one hundred thirteen thousand, two hundred twenty-two".