10010110010021 has 24 divisors (see below), whose sum is σ = 11498276076672. Its totient is φ = 8699353185600.

The previous prime is 10010110010003. The next prime is 10010110010023. The reversal of 10010110010021 is 12001001101001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-10010110010021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10010110009990 and 10010110010008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010110010023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20222600 + ... + 20711681.

It is an arithmetic number, because the mean of its divisors is an integer number (479094836528).

Almost surely, 2^{10010110010021} is an apocalyptic number.

10010110010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10010110010021 is a deficient number, since it is larger than the sum of its proper divisors (1488166066651).

10010110010021 is a wasteful number, since it uses less digits than its factorization.

10010110010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40934393 (or 40934382 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10010110010021 its reverse (12001001101001), we get a palindrome (22011111111022).

The spelling of 10010110010021 in words is "ten trillion, ten billion, one hundred ten million, ten thousand, twenty-one".