121132131023311 has 4 divisors (see below), whose sum is σ = 122838217375824. Its totient is φ = 119426044670800.

The previous prime is 121132131023297. The next prime is 121132131023359. The reversal of 121132131023311 is 113320131231121.

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 121132131023311 - 2³⁹ = 120582375209423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121132134023311) 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, 853043176150 + ... + 853043176291.

It is an arithmetic number, because the mean of its divisors is an integer number (30709554343956).

Almost surely, 2^{121132131023311} is an apocalyptic number.

121132131023311 is a deficient number, since it is larger than the sum of its proper divisors (1706086352513).

121132131023311 is an equidigital number, since it uses as much as digits as its factorization.

121132131023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706086352512.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 121132131023311 its reverse (113320131231121), we get a palindrome (234452262254432).

The spelling of 121132131023311 in words is "one hundred twenty-one trillion, one hundred thirty-two billion, one hundred thirty-one million, twenty-three thousand, three hundred eleven".