1121214122210 has 288 divisors, whose sum is σ = 2676200549760. Its totient is φ = 330241287168.

The previous prime is 1121214122209. The next prime is 1121214122233. The reversal of 1121214122210 is 122214121211.

It is a super-2 number, since 2×1121214122210² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 782423654 + ... + 782425086.

It is an arithmetic number, because the mean of its divisors is an integer number (9292363020).

Almost surely, 2^{1121214122210} is an apocalyptic number.

1121214122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121214122210 is an abundant number, since it is smaller than the sum of its proper divisors (1554986427550).

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

1121214122210 is a wasteful number, since it uses less digits than its factorization.

1121214122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1538 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1121214122210 its reverse (122214121211), we get a palindrome (1243428243421).

Subtracting from 1121214122210 its reverse (122214121211), we obtain a palindrome (999000000999).

The spelling of 1121214122210 in words is "one trillion, one hundred twenty-one billion, two hundred fourteen million, one hundred twenty-two thousand, two hundred ten".