202112122111222 has 16 divisors (see below), whose sum is σ = 305030004270192. Its totient is φ = 100435461719040.

The previous prime is 202112122111201. The next prime is 202112122111231. The reversal of 202112122111222 is 222111221211202.

It is a junction number, because it is equal to n+sod(n) for n = 202112122111193 and 202112122111202.

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, 53076822 + ... + 56757142.

It is an arithmetic number, because the mean of its divisors is an integer number (19064375266887).

Almost surely, 2^{202112122111222} is an apocalyptic number.

202112122111222 is a deficient number, since it is larger than the sum of its proper divisors (102917882158970).

202112122111222 is a wasteful number, since it uses less digits than its factorization.

202112122111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848943.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 202112122111222 its reverse (222111221211202), we get a palindrome (424223343322424).

The spelling of 202112122111222 in words is "two hundred two trillion, one hundred twelve billion, one hundred twenty-two million, one hundred eleven thousand, two hundred twenty-two".