1211011130130 has 32 divisors (see below), whose sum is σ = 2906456010624. Its totient is φ = 322933046016.

The previous prime is 1211011130089. The next prime is 1211011130137. The reversal of 1211011130130 is 310311101121.

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

It is not an unprimeable number, because it can be changed into a prime (1211011130137) 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, 5023722 + ... + 5259258.

It is an arithmetic number, because the mean of its divisors is an integer number (90826750332).

Almost surely, 2^{1211011130130} is an apocalyptic number.

1211011130130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211011130130 is an abundant number, since it is smaller than the sum of its proper divisors (1695444880494).

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

1211011130130 is a wasteful number, since it uses less digits than its factorization.

1211011130130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406930.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1211011130130 its reverse (310311101121), we get a palindrome (1521322231251).

The spelling of 1211011130130 in words is "one trillion, two hundred eleven billion, eleven million, one hundred thirty thousand, one hundred thirty".