202111211112222 has 32 divisors (see below), whose sum is σ = 418161949793280. Its totient is φ = 65047158257760.

The previous prime is 202111211112197. The next prime is 202111211112271. The reversal of 202111211112222 is 222211112111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131696847 + ... + 133222677.

It is an arithmetic number, because the mean of its divisors is an integer number (13067560931040).

Almost surely, 2^{202111211112222} is an apocalyptic number.

202111211112222 is an abundant number, since it is smaller than the sum of its proper divisors (216050738681058).

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

202111211112222 is a wasteful number, since it uses less digits than its factorization.

202111211112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287128.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 202111211112222 its reverse (222211112111202), we get a palindrome (424322323223424).

The spelling of 202111211112222 in words is "two hundred two trillion, one hundred eleven billion, two hundred eleven million, one hundred twelve thousand, two hundred twenty-two".