10211111012210 has 8 divisors (see below), whose sum is σ = 18379999821996. Its totient is φ = 4084444404880.

The previous prime is 10211111012177. The next prime is 10211111012279. The reversal of 10211111012210 is 1221011111201.

It can be written as a sum of positive squares in 2 ways, for example, as 9603807198001 + 607303814209 = 3099001^2 + 779297^2 .

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

It is a super-3 number, since 3×10211111012210³ (a number of 40 digits) contains 333 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, 510555550601 + ... + 510555550620.

Almost surely, 2^{10211111012210} is an apocalyptic number.

10211111012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10211111012210 is a deficient number, since it is larger than the sum of its proper divisors (8168888809786).

10211111012210 is a wasteful number, since it uses less digits than its factorization.

10211111012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021111101228.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10211111012210 its reverse (1221011111201), we get a palindrome (11432122123411).

The spelling of 10211111012210 in words is "ten trillion, two hundred eleven billion, one hundred eleven million, twelve thousand, two hundred ten".