121123213010031 has 8 divisors (see below), whose sum is σ = 170997477190704. Its totient is φ = 75998878751360.

The previous prime is 121123213010029. The next prime is 121123213010039. The reversal of 121123213010031 is 130010312321121.

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

It is a cyclic number.

It is not a de Polignac number, because 121123213010031 - 2¹ = 121123213010029 is a prime.

It is a super-2 number, since 2×121123213010031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123213010039) 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, 1187482480440 + ... + 1187482480541.

It is an arithmetic number, because the mean of its divisors is an integer number (21374684648838).

Almost surely, 2^{121123213010031} is an apocalyptic number.

121123213010031 is a deficient number, since it is larger than the sum of its proper divisors (49874264180673).

121123213010031 is a wasteful number, since it uses less digits than its factorization.

121123213010031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374964961001.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121123213010031 its reverse (130010312321121), we get a palindrome (251133525331152).

The spelling of 121123213010031 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, two hundred thirteen million, ten thousand, thirty-one".