202111221121222 has 32 divisors (see below), whose sum is σ = 357654824017920. Its totient is φ = 83824511459040.

The previous prime is 202111221121213. The next prime is 202111221121259. The reversal of 202111221121222 is 222121122111202.

202111221121222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202111221121222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202111221121193 and 202111221121202.

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, 94894179 + ... + 97000657.

It is an arithmetic number, because the mean of its divisors is an integer number (11176713250560).

Almost surely, 2^{202111221121222} is an apocalyptic number.

202111221121222 is a deficient number, since it is larger than the sum of its proper divisors (155543602896698).

202111221121222 is a wasteful number, since it uses less digits than its factorization.

202111221121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327596.

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

Adding to 202111221121222 its reverse (222121122111202), we get a palindrome (424232343232424).

The spelling of 202111221121222 in words is "two hundred two trillion, one hundred eleven billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".