1121213032130 has 16 divisors (see below), whose sum is σ = 2038165474104. Its totient is φ = 444044764800.

The previous prime is 1121213032061. The next prime is 1121213032207. The reversal of 1121213032130 is 312303121211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1121212030129 + 1002001 = 1058873^2 + 1001^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555054947 + ... + 555056966.

Almost surely, 2^{1121213032130} is an apocalyptic number.

1121213032130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121213032130 is a deficient number, since it is larger than the sum of its proper divisors (916952441974).

1121213032130 is a wasteful number, since it uses less digits than its factorization.

1121213032130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110112021.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1121213032130 its reverse (312303121211), we get a palindrome (1433516153341).

The spelling of 1121213032130 in words is "one trillion, one hundred twenty-one billion, two hundred thirteen million, thirty-two thousand, one hundred thirty".