211274821922 has 16 divisors (see below), whose sum is σ = 320236574112. Its totient is φ = 104531535360.

The previous prime is 211274821909. The next prime is 211274821957. The reversal of 211274821922 is 229128472112.

It is a self number, because there is not a number n which added to its sum of digits gives 211274821922.

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, 370079 + ... + 748002.

It is an arithmetic number, because the mean of its divisors is an integer number (20014785882).

Almost surely, 2^211274821922 is an apocalyptic number.

211274821922 is a deficient number, since it is larger than the sum of its proper divisors (108961752190).

211274821922 is a wasteful number, since it uses less digits than its factorization.

211274821922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119073.

The product of its digits is 64512, while the sum is 41.

The spelling of 211274821922 in words is "two hundred eleven billion, two hundred seventy-four million, eight hundred twenty-one thousand, nine hundred twenty-two".