121130022513431 has 4 divisors (see below), whose sum is σ = 121137431547000. Its totient is φ = 121122613479864.

The previous prime is 121130022513373. The next prime is 121130022513503. The reversal of 121130022513431 is 134315220031121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121130022513431 - 2¹⁰ = 121130022512407 is a prime.

It is a super-2 number, since 2×121130022513431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121130022513394 and 121130022513403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121130022503431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3704492261 + ... + 3704524958.

It is an arithmetic number, because the mean of its divisors is an integer number (30284357886750).

Almost surely, 2^{121130022513431} is an apocalyptic number.

121130022513431 is a deficient number, since it is larger than the sum of its proper divisors (7409033569).

121130022513431 is an equidigital number, since it uses as much as digits as its factorization.

121130022513431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7409033568.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 121130022513431 its reverse (134315220031121), we get a palindrome (255445242544552).

The spelling of 121130022513431 in words is "one hundred twenty-one trillion, one hundred thirty billion, twenty-two million, five hundred thirteen thousand, four hundred thirty-one".