10113121142 has 4 divisors (see below), whose sum is σ = 15169681716. Its totient is φ = 5056560570.

The previous prime is 10113121133. The next prime is 10113121153. The reversal of 10113121142 is 24112131101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10113121142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528280284 + ... + 2528280287.

It is an arithmetic number, because the mean of its divisors is an integer number (3792420429).

Almost surely, 2^10113121142 is an apocalyptic number.

10113121142 is a deficient number, since it is larger than the sum of its proper divisors (5056560574).

10113121142 is an equidigital number, since it uses as much as digits as its factorization.

10113121142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056560573.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10113121142 its reverse (24112131101), we get a palindrome (34225252243).

The spelling of 10113121142 in words is "ten billion, one hundred thirteen million, one hundred twenty-one thousand, one hundred forty-two".