121033402042631 has 8 divisors (see below), whose sum is σ = 130345124130480. Its totient is φ = 111721888582272.

The previous prime is 121033402042577. The next prime is 121033402042681. The reversal of 121033402042631 is 136240204330121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121033402042631 is a prime.

It is a super-2 number, since 2×121033402042631² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033402042681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50950925 + ... + 53273478.

It is an arithmetic number, because the mean of its divisors is an integer number (16293140516310).

Almost surely, 2^{121033402042631} is an apocalyptic number.

121033402042631 is a deficient number, since it is larger than the sum of its proper divisors (9311722087849).

121033402042631 is a wasteful number, since it uses less digits than its factorization.

121033402042631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104313745.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 121033402042631 its reverse (136240204330121), we get a palindrome (257273606372752).

The spelling of 121033402042631 in words is "one hundred twenty-one trillion, thirty-three billion, four hundred two million, forty-two thousand, six hundred thirty-one".