10521111112006 has 8 divisors (see below), whose sum is σ = 17216363637864. Its totient is φ = 4782323232720.

The previous prime is 10521111111991. The next prime is 10521111112117. The reversal of 10521111112006 is 60021111112501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10521111112006² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 478232323273 = 10521111112006 / (1 + 0 + 5 + 2 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 0 + 0 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239116161615 + ... + 239116161658.

It is an arithmetic number, because the mean of its divisors is an integer number (2152045454733).

Almost surely, 2^{10521111112006} is an apocalyptic number.

10521111112006 is a deficient number, since it is larger than the sum of its proper divisors (6695252525858).

10521111112006 is a wasteful number, since it uses less digits than its factorization.

10521111112006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478232323286.

The product of its (nonzero) digits is 120, while the sum is 22.

Multiplying 10521111112006 by its sum of digits (22), we get a palindrome (231464444464132).

Adding to 10521111112006 its reverse (60021111112501), we get a palindrome (70542222224507).

The spelling of 10521111112006 in words is "ten trillion, five hundred twenty-one billion, one hundred eleven million, one hundred twelve thousand, six".