121111214130 has 48 divisors (see below), whose sum is σ = 316628918424. Its totient is φ = 32117886720.

The previous prime is 121111214101. The next prime is 121111214131. The reversal of 121111214130 is 31412111121.

121111214130 is a `hidden beast` number, since 121 + 11 + 121 + 413 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 34899096969 + 86212117161 = 186813^2 + 293619^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121111214131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3701059 + ... + 3733638.

Almost surely, 2^121111214130 is an apocalyptic number.

121111214130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121111214130 is an abundant number, since it is smaller than the sum of its proper divisors (195517704294).

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

121111214130 is a wasteful number, since it uses less digits than its factorization.

121111214130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434891 (or 7434888 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 121111214130 its reverse (31412111121), we get a palindrome (152523325251).

It can be divided in two parts, 121111 and 214130, that added together give a square (335241 = 579²).

The spelling of 121111214130 in words is "one hundred twenty-one billion, one hundred eleven million, two hundred fourteen thousand, one hundred thirty".