120021202031 has 8 divisors (see below), whose sum is σ = 127188154800. Its totient is φ = 113056135360.

The previous prime is 120021202001. The next prime is 120021202073. The reversal of 120021202031 is 130202120021.

It is a happy number.

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 120021202031 - 2¹⁰ = 120021201007 is a prime.

It is a super-2 number, since 2×120021202031² (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 = 120021201997 and 120021202015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021202001) 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, 50470301 + ... + 50472678.

It is an arithmetic number, because the mean of its divisors is an integer number (15898519350).

Almost surely, 2^120021202031 is an apocalyptic number.

120021202031 is a deficient number, since it is larger than the sum of its proper divisors (7166952769).

120021202031 is a wasteful number, since it uses less digits than its factorization.

120021202031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100943049.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120021202031 its reverse (130202120021), we get a palindrome (250223322052).

The spelling of 120021202031 in words is "one hundred twenty billion, twenty-one million, two hundred two thousand, thirty-one".