120021010002111 has 16 divisors (see below), whose sum is σ = 168917162378240. Its totient is φ = 75802743146232.

The previous prime is 120021010002083. The next prime is 120021010002133. The reversal of 120021010002111 is 111200010120021.

It is not a de Polignac number, because 120021010002111 - 2¹⁷ = 120021009871039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021010002161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2916366895 + ... + 2916408048.

It is an arithmetic number, because the mean of its divisors is an integer number (10557322648640).

Almost surely, 2^{120021010002111} is an apocalyptic number.

120021010002111 is a deficient number, since it is larger than the sum of its proper divisors (48896152376129).

120021010002111 is an frugal number, since it uses more digits than its factorization.

120021010002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832775003 (or 5832774965 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120021010002111 its reverse (111200010120021), we get a palindrome (231221020122132).

The spelling of 120021010002111 in words is "one hundred twenty trillion, twenty-one billion, ten million, two thousand, one hundred eleven".