120002111031 has 8 divisors (see below), whose sum is σ = 174548525184. Its totient is φ = 72728552120.

The previous prime is 120002110939. The next prime is 120002111051. The reversal of 120002111031 is 130111200021.

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 120002111031 - 2¹⁸ = 120001848887 is a prime.

It is a super-2 number, since 2×120002111031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120002110998 and 120002111016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002111051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1818213771 + ... + 1818213836.

It is an arithmetic number, because the mean of its divisors is an integer number (21818565648).

Almost surely, 2^120002111031 is an apocalyptic number.

120002111031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120002111031 is a deficient number, since it is larger than the sum of its proper divisors (54546414153).

120002111031 is a wasteful number, since it uses less digits than its factorization.

120002111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636427621.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 120002111031 its reverse (130111200021), we get a palindrome (250113311052).

The spelling of 120002111031 in words is "one hundred twenty billion, two million, one hundred eleven thousand, thirty-one".