1121222222210 has 16 divisors (see below), whose sum is σ = 2105947826496. Its totient is φ = 428989371888.

The previous prime is 1121222222209. The next prime is 1121222222213. The reversal of 1121222222210 is 122222221211.

It is not an unprimeable number, because it can be changed into a prime (1121222222213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437439384 + ... + 2437439843.

It is an arithmetic number, because the mean of its divisors is an integer number (131621739156).

Almost surely, 2^{1121222222210} is an apocalyptic number.

1121222222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121222222210 is a deficient number, since it is larger than the sum of its proper divisors (984725604286).

1121222222210 is a wasteful number, since it uses less digits than its factorization.

1121222222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874879257.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1121222222210 its reverse (122222221211), we get a palindrome (1243444443421).

Subtracting from 1121222222210 its reverse (122222221211), we obtain a palindrome (999000000999).

It can be divided in two parts, 112122 and 2222210, that added together give a palindrome (2334332).

The spelling of 1121222222210 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred ten".