10122111993 has 8 divisors (see below), whose sum is σ = 15424170688. Its totient is φ = 5784063984.

The previous prime is 10122111991. The next prime is 10122112109. The reversal of 10122111993 is 39911122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10122111993 - 2¹ = 10122111991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10122111993.

It is not an unprimeable number, because it can be changed into a prime (10122111991) 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, 241002646 + ... + 241002687.

It is an arithmetic number, because the mean of its divisors is an integer number (1928021336).

Almost surely, 2^10122111993 is an apocalyptic number.

It is an amenable number.

10122111993 is a deficient number, since it is larger than the sum of its proper divisors (5302058695).

10122111993 is an equidigital number, since it uses as much as digits as its factorization.

10122111993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482005343.

The product of its (nonzero) digits is 972, while the sum is 30.

The spelling of 10122111993 in words is "ten billion, one hundred twenty-two million, one hundred eleven thousand, nine hundred ninety-three".