1001010120111 has 20 divisors (see below), whose sum is σ = 1498805614944. Its totient is φ = 665791704000.

The previous prime is 1001010120107. The next prime is 1001010120251. The reversal of 1001010120111 is 1110210101001.

1001010120111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001010120111 - 2² = 1001010120107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1001010120093 and 1001010120102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001010120911) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14301690 + ... + 14371511.

Almost surely, 2^{1001010120111} is an apocalyptic number.

1001010120111 is a deficient number, since it is larger than the sum of its proper divisors (497795494833).

1001010120111 is an equidigital number, since it uses as much as digits as its factorization.

1001010120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28673644 (or 28673635 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1001010120111 its reverse (1110210101001), we get a palindrome (2111220221112).

The spelling of 1001010120111 in words is "one trillion, one billion, ten million, one hundred twenty thousand, one hundred eleven".