1121233211010 has 48 divisors (see below), whose sum is σ = 3180225110400. Its totient is φ = 271814111520.

The previous prime is 1121233211009. The next prime is 1121233211023. The reversal of 1121233211010 is 101123321211.

1121233211010 is a `hidden beast` number, since 1 + 1 + 212 + 332 + 110 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 566278410 + ... + 566280389.

It is an arithmetic number, because the mean of its divisors is an integer number (66254689800).

Almost surely, 2^{1121233211010} is an apocalyptic number.

1121233211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121233211010 is an abundant number, since it is smaller than the sum of its proper divisors (2058991899390).

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

1121233211010 is a wasteful number, since it uses less digits than its factorization.

1121233211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132558823 (or 1132558820 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1121233211010 its reverse (101123321211), we get a palindrome (1222356532221).

The spelling of 1121233211010 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-three million, two hundred eleven thousand, ten".