10012120111 has 8 divisors (see below), whose sum is σ = 11460913280. Its totient is φ = 8567949528.

The previous prime is 10012120073. The next prime is 10012120121. The reversal of 10012120111 is 11102121001.

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 10012120111 - 2¹³ = 10012111919 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 (10012120121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151001 + ... + 1159666.

It is an arithmetic number, because the mean of its divisors is an integer number (1432614160).

Almost surely, 2^10012120111 is an apocalyptic number.

10012120111 is a deficient number, since it is larger than the sum of its proper divisors (1448793169).

10012120111 is an equidigital number, since it uses as much as digits as its factorization.

10012120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311293.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10012120111 its reverse (11102121001), we get a palindrome (21114241112).

The spelling of 10012120111 in words is "ten billion, twelve million, one hundred twenty thousand, one hundred eleven".