211021112022222 has 16 divisors (see below), whose sum is σ = 422045891309952. Its totient is φ = 70339759463160.

The previous prime is 211021112022179. The next prime is 211021112022239. The reversal of 211021112022222 is 222220211120112.

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, 152054404 + ... + 153435927.

It is an arithmetic number, because the mean of its divisors is an integer number (26377868206872).

Almost surely, 2^{211021112022222} is an apocalyptic number.

211021112022222 is an abundant number, since it is smaller than the sum of its proper divisors (211024779287730).

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

211021112022222 is a wasteful number, since it uses less digits than its factorization.

211021112022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305605463.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211021112022222 its reverse (222220211120112), we get a palindrome (433241323142334).

The spelling of 211021112022222 in words is "two hundred eleven trillion, twenty-one billion, one hundred twelve million, twenty-two thousand, two hundred twenty-two".