1112212212210 has 48 divisors (see below), whose sum is σ = 3154638277440. Its totient is φ = 269627202720.

The previous prime is 1112212212197. The next prime is 1112212212263. The reversal of 1112212212210 is 122122122111.

1112212212210 is a `hidden beast` number, since 1 + 1 + 1 + 221 + 221 + 221 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 561722350 + ... + 561724329.

It is an arithmetic number, because the mean of its divisors is an integer number (65721630780).

Almost surely, 2^{1112212212210} is an apocalyptic number.

1112212212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1112212212210 is an abundant number, since it is smaller than the sum of its proper divisors (2042426065230).

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

1112212212210 is a wasteful number, since it uses less digits than its factorization.

1112212212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123446703 (or 1123446700 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1112212212210 its reverse (122122122111), we get a palindrome (1234334334321).

Subtracting from 1112212212210 its reverse (122122122111), we obtain a palindrome (990090090099).

It can be divided in two parts, 1 and 112212212210, that added together give a palindrome (112212212211).

The spelling of 1112212212210 in words is "one trillion, one hundred twelve billion, two hundred twelve million, two hundred twelve thousand, two hundred ten".