121323302210031 has 16 divisors (see below), whose sum is σ = 167381136061440. Its totient is φ = 78086288871360.

The previous prime is 121323302210003. The next prime is 121323302210111. The reversal of 121323302210031 is 130012203323121.

It is not a de Polignac number, because 121323302210031 - 2²¹ = 121323300112879 is a prime.

It is a super-2 number, since 2×121323302210031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121323302209983 and 121323302210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323302217031) 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, 1556705230 + ... + 1556783163.

It is an arithmetic number, because the mean of its divisors is an integer number (10461321003840).

Almost surely, 2^{121323302210031} is an apocalyptic number.

121323302210031 is a deficient number, since it is larger than the sum of its proper divisors (46057833851409).

121323302210031 is a wasteful number, since it uses less digits than its factorization.

121323302210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113488846.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121323302210031 its reverse (130012203323121), we get a palindrome (251335505533152).

The spelling of 121323302210031 in words is "one hundred twenty-one trillion, three hundred twenty-three billion, three hundred two million, two hundred ten thousand, thirty-one".