1111222012210 has 16 divisors (see below), whose sum is σ = 2003896858392. Its totient is φ = 443667196800.

The previous prime is 1111222012207. The next prime is 1111222012231. The reversal of 1111222012210 is 122102221111.

It can be written as a sum of positive squares in 4 ways, for example, as 723756846121 + 387465166089 = 850739^2 + 622467^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102695331 + ... + 102706150.

Almost surely, 2^{1111222012210} is an apocalyptic number.

1111222012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111222012210 is a deficient number, since it is larger than the sum of its proper divisors (892674846182).

1111222012210 is a wasteful number, since it uses less digits than its factorization.

1111222012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205402029.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1111222012210 its reverse (122102221111), we get a palindrome (1233324233321).

The spelling of 1111222012210 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, twelve thousand, two hundred ten".