21066046112402 has 16 divisors (see below), whose sum is σ = 31686380627712. Its totient is φ = 10503921430080.

The previous prime is 21066046112401. The next prime is 21066046112467. The reversal of 21066046112402 is 20421164066012.

It is a super-3 number, since 3×21066046112402³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21066046112401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19160627 + ... + 20230217.

It is an arithmetic number, because the mean of its divisors is an integer number (1980398789232).

Almost surely, 2^{21066046112402} is an apocalyptic number.

21066046112402 is a deficient number, since it is larger than the sum of its proper divisors (10620334515310).

21066046112402 is a wasteful number, since it uses less digits than its factorization.

21066046112402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096793.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 21066046112402 in words is "twenty-one trillion, sixty-six billion, forty-six million, one hundred twelve thousand, four hundred two".