120121201031 has 8 divisors (see below), whose sum is σ = 132516447504. Its totient is φ = 108176690880.

The previous prime is 120121200989. The next prime is 120121201033. The reversal of 120121201031 is 130102121021.

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 120121201031 - 2¹⁰ = 120121200007 is a prime.

It is a super-2 number, since 2×120121201031² (a number of 23 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 = 120121200997 and 120121201015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121201033) 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, 112683521 + ... + 112684586.

It is an arithmetic number, because the mean of its divisors is an integer number (16564555938).

Almost surely, 2^120121201031 is an apocalyptic number.

120121201031 is a deficient number, since it is larger than the sum of its proper divisors (12395246473).

120121201031 is a wasteful number, since it uses less digits than its factorization.

120121201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225368161.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120121201031 its reverse (130102121021), we get a palindrome (250223322052).

The spelling of 120121201031 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred one thousand, thirty-one".