1121121232210 has 32 divisors (see below), whose sum is σ = 2306739762432. Its totient is φ = 384312217920.

The previous prime is 1121121232207. The next prime is 1121121232211. The reversal of 1121121232210 is 122321211211.

It is not an unprimeable number, because it can be changed into a prime (1121121232211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1128286 + ... + 1874905.

It is an arithmetic number, because the mean of its divisors is an integer number (72085617576).

Almost surely, 2^{1121121232210} is an apocalyptic number.

1121121232210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121121232210 is an abundant number, since it is smaller than the sum of its proper divisors (1185618530222).

1121121232210 is a wasteful number, since it uses less digits than its factorization.

1121121232210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008538.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1121121232210 its reverse (122321211211), we get a palindrome (1243442443421).

The spelling of 1121121232210 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred thirty-two thousand, two hundred ten".