10111200110021 has 16 divisors (see below), whose sum is σ = 10196655703920. Its totient is φ = 10026187261440.

The previous prime is 10111200109991. The next prime is 10111200110111. The reversal of 10111200110021 is 12001100211101.

10111200110021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1332062222500 + 8779137887521 = 1154150^2 + 2962961^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111200110021 - 2⁶ = 10111200109957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111200109984 and 10111200110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111200100021) 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, 61954595 + ... + 62117583.

It is an arithmetic number, because the mean of its divisors is an integer number (637290981495).

Almost surely, 2^{10111200110021} is an apocalyptic number.

It is an amenable number.

10111200110021 is a deficient number, since it is larger than the sum of its proper divisors (85455593899).

10111200110021 is a wasteful number, since it uses less digits than its factorization.

10111200110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164344.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10111200110021 its reverse (12001100211101), we get a palindrome (22112300321122).

The spelling of 10111200110021 in words is "ten trillion, one hundred eleven billion, two hundred million, one hundred ten thousand, twenty-one".