121342020044331 has 16 divisors (see below), whose sum is σ = 162493717969440. Its totient is φ = 80542543737600.

The previous prime is 121342020044327. The next prime is 121342020044351. The reversal of 121342020044331 is 133440020243121.

It is not a de Polignac number, because 121342020044331 - 2² = 121342020044327 is a prime.

It is a super-2 number, since 2×121342020044331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121342020044351) 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, 6069765 + ... + 16719033.

It is an arithmetic number, because the mean of its divisors is an integer number (10155857373090).

Almost surely, 2^{121342020044331} is an apocalyptic number.

121342020044331 is a deficient number, since it is larger than the sum of its proper divisors (41151697925109).

121342020044331 is a wasteful number, since it uses less digits than its factorization.

121342020044331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10665806.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 121342020044331 its reverse (133440020243121), we get a palindrome (254782040287452).

The spelling of 121342020044331 in words is "one hundred twenty-one trillion, three hundred forty-two billion, twenty million, forty-four thousand, three hundred thirty-one".