1211120210130 has 32 divisors (see below), whose sum is σ = 2946506160384. Its totient is φ = 318541205376.

The previous prime is 1211120210129. The next prime is 1211120210141. The reversal of 1211120210130 is 310120211121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276509274 + ... + 276513653.

It is an arithmetic number, because the mean of its divisors is an integer number (92078317512).

Almost surely, 2^{1211120210130} is an apocalyptic number.

1211120210130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211120210130 is an abundant number, since it is smaller than the sum of its proper divisors (1735385950254).

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

1211120210130 is a wasteful number, since it uses less digits than its factorization.

1211120210130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553023010.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1211120210130 its reverse (310120211121), we get a palindrome (1521240421251).

Subtracting from 1211120210130 its reverse (310120211121), we obtain a palindrome (900999999009).

The spelling of 1211120210130 in words is "one trillion, two hundred eleven billion, one hundred twenty million, two hundred ten thousand, one hundred thirty".