10120002122111 has 4 divisors (see below), whose sum is σ = 11565716710992. Its totient is φ = 8674287533232.

The previous prime is 10120002122063. The next prime is 10120002122117. The reversal of 10120002122111 is 11122120002101.

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 10120002122111 - 2¹⁸ = 10120001859967 is a prime.

It is a super-3 number, since 3×10120002122111³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120002122117) 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, 722857294430 + ... + 722857294443.

It is an arithmetic number, because the mean of its divisors is an integer number (2891429177748).

Almost surely, 2^{10120002122111} is an apocalyptic number.

10120002122111 is a deficient number, since it is larger than the sum of its proper divisors (1445714588881).

10120002122111 is an equidigital number, since it uses as much as digits as its factorization.

10120002122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445714588880.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10120002122111 its reverse (11122120002101), we get a palindrome (21242122124212).

The spelling of 10120002122111 in words is "ten trillion, one hundred twenty billion, two million, one hundred twenty-two thousand, one hundred eleven".