211122211010 has 8 divisors (see below), whose sum is σ = 380019979836. Its totient is φ = 84448884400.

The previous prime is 211122211009. The next prime is 211122211031. The reversal of 211122211010 is 10112221112.

It can be written as a sum of positive squares in 2 ways, for example, as 210212163121 + 910047889 = 458489^2 + 30167^2 .

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

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, 10556110541 + ... + 10556110560.

Almost surely, 2^211122211010 is an apocalyptic number.

211122211010 is a deficient number, since it is larger than the sum of its proper divisors (168897768826).

211122211010 is a wasteful number, since it uses less digits than its factorization.

211122211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21112221108.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211122211010 its reverse (10112221112), we get a palindrome (221234432122).

The spelling of 211122211010 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred eleven thousand, ten".