11112121202210 has 32 divisors (see below), whose sum is σ = 22859381371392. Its totient is φ = 3809843357760.

The previous prime is 11112121202159. The next prime is 11112121202233. The reversal of 11112121202210 is 1220212121111.

It is a super-2 number, since 2×11112121202210² (a number of 27 digits) contains 22 as substring.

It is a Curzon 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, 11249024 + ... + 12196916.

It is an arithmetic number, because the mean of its divisors is an integer number (714355667856).

Almost surely, 2^{11112121202210} is an apocalyptic number.

11112121202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112121202210 is an abundant number, since it is smaller than the sum of its proper divisors (11747260169182).

11112121202210 is a wasteful number, since it uses less digits than its factorization.

11112121202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115378.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11112121202210 its reverse (1220212121111), we get a palindrome (12332333323321).

The spelling of 11112121202210 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-one million, two hundred two thousand, two hundred ten".