10111003121 has 16 divisors (see below), whose sum is σ = 10998627840. Its totient is φ = 9259608960.

The previous prime is 10111003117. The next prime is 10111003127. The reversal of 10111003121 is 12130011101.

It is a happy number.

It is not a de Polignac number, because 10111003121 - 2² = 10111003117 is a prime.

It is a super-2 number, since 2×10111003121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111003127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552311 + ... + 570323.

It is an arithmetic number, because the mean of its divisors is an integer number (687414240).

Almost surely, 2^10111003121 is an apocalyptic number.

It is an amenable number.

10111003121 is a deficient number, since it is larger than the sum of its proper divisors (887624719).

10111003121 is a wasteful number, since it uses less digits than its factorization.

10111003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19016.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10111003121 its reverse (12130011101), we get a palindrome (22241014222).

The spelling of 10111003121 in words is "ten billion, one hundred eleven million, three thousand, one hundred twenty-one".