10217211156 has 48 divisors (see below), whose sum is σ = 27640771200. Its totient is φ = 3257660736.

The previous prime is 10217211143. The next prime is 10217211161. The reversal of 10217211156 is 65111271201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2054121 + ... + 2059088.

It is an arithmetic number, because the mean of its divisors is an integer number (575849400).

Almost surely, 2^10217211156 is an apocalyptic number.

It is an amenable number.

10217211156 is an abundant number, since it is smaller than the sum of its proper divisors (17423560044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10217211156 is a wasteful number, since it uses less digits than its factorization.

10217211156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113245 (or 4113237 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 27.

Adding to 10217211156 its reverse (65111271201), we get a palindrome (75328482357).

The spelling of 10217211156 in words is "ten billion, two hundred seventeen million, two hundred eleven thousand, one hundred fifty-six".