120100021311 has 16 divisors (see below), whose sum is σ = 168574415616. Its totient is φ = 75907767936.

The previous prime is 120100021309. The next prime is 120100021331. The reversal of 120100021311 is 113120001021.

It is not a de Polignac number, because 120100021311 - 2¹ = 120100021309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100021331) 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, 7693885 + ... + 7709478.

It is an arithmetic number, because the mean of its divisors is an integer number (10535900976).

Almost surely, 2^120100021311 is an apocalyptic number.

120100021311 is a deficient number, since it is larger than the sum of its proper divisors (48474394305).

120100021311 is a wasteful number, since it uses less digits than its factorization.

120100021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15403502.

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

Adding to 120100021311 its reverse (113120001021), we get a palindrome (233220022332).

The spelling of 120100021311 in words is "one hundred twenty billion, one hundred million, twenty-one thousand, three hundred eleven".