121011214031 has 4 divisors (see below), whose sum is σ = 121012616064. Its totient is φ = 121009812000.

The previous prime is 121011213991. The next prime is 121011214043. The reversal of 121011214031 is 130412110121.

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 121011214031 - 2³⁴ = 103831344847 is a prime.

It is a super-2 number, since 2×121011214031² (a number of 23 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 (121011214531) 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, 562415 + ... + 747216.

It is an arithmetic number, because the mean of its divisors is an integer number (30253154016).

Almost surely, 2^121011214031 is an apocalyptic number.

121011214031 is a deficient number, since it is larger than the sum of its proper divisors (1402033).

121011214031 is an equidigital number, since it uses as much as digits as its factorization.

121011214031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402032.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121011214031 its reverse (130412110121), we get a palindrome (251423324152).

The spelling of 121011214031 in words is "one hundred twenty-one billion, eleven million, two hundred fourteen thousand, thirty-one".