10100012120111 has 4 divisors (see below), whose sum is σ = 10631591705400. Its totient is φ = 9568432534824.

The previous prime is 10100012120083. The next prime is 10100012120129. The reversal of 10100012120111 is 11102121000101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10100012120111 - 2⁶ = 10100012120047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100012120092 and 10100012120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100012120141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265789792616 + ... + 265789792653.

It is an arithmetic number, because the mean of its divisors is an integer number (2657897926350).

Almost surely, 2^{10100012120111} is an apocalyptic number.

10100012120111 is a deficient number, since it is larger than the sum of its proper divisors (531579585289).

10100012120111 is an equidigital number, since it uses as much as digits as its factorization.

10100012120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531579585288.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10100012120111 its reverse (11102121000101), we get a palindrome (21202133120212).

The spelling of 10100012120111 in words is "ten trillion, one hundred billion, twelve million, one hundred twenty thousand, one hundred eleven".