211211211010 has 8 divisors (see below), whose sum is σ = 380180179836. Its totient is φ = 84484484400.

The previous prime is 211211210989. The next prime is 211211211031. The reversal of 211211211010 is 10112112112.

It is a happy number.

211211211010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211211210989) and next prime (211211211031).

It can be written as a sum of positive squares in 2 ways, for example, as 169189900929 + 42021310081 = 411327^2 + 204991^2 .

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

It is a super-2 number, since 2×211211211010² (a number of 23 digits) contains 22 as substring.

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, 10560560541 + ... + 10560560560.

Almost surely, 2^211211211010 is an apocalyptic number.

211211211010 is a deficient number, since it is larger than the sum of its proper divisors (168968968826).

211211211010 is a wasteful number, since it uses less digits than its factorization.

211211211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21121121108.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211211211010 its reverse (10112112112), we get a palindrome (221323323122).

The spelling of 211211211010 in words is "two hundred eleven billion, two hundred eleven million, two hundred eleven thousand, ten".