1211110112130 has 16 divisors (see below), whose sum is σ = 2906664269184. Its totient is φ = 322962696560.

The previous prime is 1211110112087. The next prime is 1211110112159. The reversal of 1211110112130 is 312110111121.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20185168506 + ... + 20185168565.

It is an arithmetic number, because the mean of its divisors is an integer number (181666516824).

Almost surely, 2^{1211110112130} is an apocalyptic number.

1211110112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211110112130 is an abundant number, since it is smaller than the sum of its proper divisors (1695554157054).

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

1211110112130 is a wasteful number, since it uses less digits than its factorization.

1211110112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40370337081.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1211110112130 its reverse (312110111121), we get a palindrome (1523220223251).

The spelling of 1211110112130 in words is "one trillion, two hundred eleven billion, one hundred ten million, one hundred twelve thousand, one hundred thirty".