1111122011210 has 8 divisors (see below), whose sum is σ = 2000019620196. Its totient is φ = 444448804480.

The previous prime is 1111122011183. The next prime is 1111122011267. The reversal of 1111122011210 is 121102211111.

It can be written as a sum of positive squares in 2 ways, for example, as 1064266646689 + 46855364521 = 1031633^2 + 216461^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55556100551 + ... + 55556100570.

Almost surely, 2^{1111122011210} is an apocalyptic number.

1111122011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111122011210 is a deficient number, since it is larger than the sum of its proper divisors (888897608986).

1111122011210 is a wasteful number, since it uses less digits than its factorization.

1111122011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111112201128.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1111122011210 its reverse (121102211111), we get a palindrome (1232224222321).

The spelling of 1111122011210 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, eleven thousand, two hundred ten".