121021322301031 has 4 divisors (see below), whose sum is σ = 121077795155392. Its totient is φ = 120964849446672.

The previous prime is 121021322301007. The next prime is 121021322301037. The reversal of 121021322301031 is 130103223120121.

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 121021322301031 - 2⁷ = 121021322300903 is a prime.

It is a super-2 number, since 2×121021322301031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121021322300993 and 121021322301011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021322301037) 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, 28236423966 + ... + 28236428251.

It is an arithmetic number, because the mean of its divisors is an integer number (30269448788848).

Almost surely, 2^{121021322301031} is an apocalyptic number.

121021322301031 is a deficient number, since it is larger than the sum of its proper divisors (56472854361).

121021322301031 is an equidigital number, since it uses as much as digits as its factorization.

121021322301031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56472854360.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121021322301031 its reverse (130103223120121), we get a palindrome (251124545421152).

The spelling of 121021322301031 in words is "one hundred twenty-one trillion, twenty-one billion, three hundred twenty-two million, three hundred one thousand, thirty-one".