10120012011111 has 12 divisors (see below), whose sum is σ = 14333765571752. Its totient is φ = 6349811457408.

The previous prime is 10120012011073. The next prime is 10120012011139. The reversal of 10120012011111 is 11111021002101.

It is not a de Polignac number, because 10120012011111 - 2¹⁸ = 10120011748967 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 (10120012011211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5836222900 + ... + 5836224633.

Almost surely, 2^{10120012011111} is an apocalyptic number.

10120012011111 is a deficient number, since it is larger than the sum of its proper divisors (4213753560641).

10120012011111 is a wasteful number, since it uses less digits than its factorization.

10120012011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11672447570 (or 11672447553 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10120012011111 its reverse (11111021002101), we get a palindrome (21231033013212).

The spelling of 10120012011111 in words is "ten trillion, one hundred twenty billion, twelve million, eleven thousand, one hundred eleven".