202111211222 has 16 divisors (see below), whose sum is σ = 306845264880. Its totient is φ = 99829661472.

The previous prime is 202111211143. The next prime is 202111211233. The reversal of 202111211222 is 222112111202.

It is a self number, because there is not a number n which added to its sum of digits gives 202111211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2231288 + ... + 2320100.

It is an arithmetic number, because the mean of its divisors is an integer number (19177829055).

Almost surely, 2^202111211222 is an apocalyptic number.

202111211222 is a deficient number, since it is larger than the sum of its proper divisors (104734053658).

202111211222 is a wasteful number, since it uses less digits than its factorization.

202111211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102607.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202111211222 its reverse (222112111202), we get a palindrome (424223322424).

The spelling of 202111211222 in words is "two hundred two billion, one hundred eleven million, two hundred eleven thousand, two hundred twenty-two".