10111003103021 has 64 divisors (see below), whose sum is σ = 11340726921216. Its totient is φ = 8972439705600.

The previous prime is 10111003102979. The next prime is 10111003103023. The reversal of 10111003103021 is 12030130011101.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111003103021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10111003102987 and 10111003103005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111003103023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3729619856 + ... + 3729622566.

It is an arithmetic number, because the mean of its divisors is an integer number (177198858144).

Almost surely, 2^{10111003103021} is an apocalyptic number.

It is an amenable number.

10111003103021 is a deficient number, since it is larger than the sum of its proper divisors (1229723818195).

10111003103021 is a wasteful number, since it uses less digits than its factorization.

10111003103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10111003103021 its reverse (12030130011101), we get a palindrome (22141133114122).

The spelling of 10111003103021 in words is "ten trillion, one hundred eleven billion, three million, one hundred three thousand, twenty-one".