111220010210 has 8 divisors (see below), whose sum is σ = 200196018396. Its totient is φ = 44488004080.

The previous prime is 111220010131. The next prime is 111220010357. The reversal of 111220010210 is 12010022111.

It can be written as a sum of positive squares in 2 ways, for example, as 110602139761 + 617870449 = 332569^2 + 24857^2 .

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

It is a super-2 number, since 2×111220010210² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111220010191 and 111220010200.

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, 5561000501 + ... + 5561000520.

Almost surely, 2^111220010210 is an apocalyptic number.

111220010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111220010210 is a deficient number, since it is larger than the sum of its proper divisors (88976008186).

111220010210 is a wasteful number, since it uses less digits than its factorization.

111220010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122001028.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111220010210 its reverse (12010022111), we get a palindrome (123230032321).

The spelling of 111220010210 in words is "one hundred eleven billion, two hundred twenty million, ten thousand, two hundred ten".