211122211022 has 8 divisors (see below), whose sum is σ = 316981234416. Its totient is φ = 105461799552.

The previous prime is 211122211009. The next prime is 211122211031. The reversal of 211122211022 is 220112221112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49650323 + ... + 49654574.

It is an arithmetic number, because the mean of its divisors is an integer number (39622654302).

Almost surely, 2^211122211022 is an apocalyptic number.

211122211022 is a deficient number, since it is larger than the sum of its proper divisors (105859023394).

211122211022 is a wasteful number, since it uses less digits than its factorization.

211122211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99305962.

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

Adding to 211122211022 its reverse (220112221112), we get a palindrome (431234432134).

The spelling of 211122211022 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred eleven thousand, twenty-two".