21110210000402 has 32 divisors (see below), whose sum is σ = 33044205325824. Its totient is φ = 10103128416000.

The previous prime is 21110210000393. The next prime is 21110210000417. The reversal of 21110210000402 is 20400001201112.

It is a happy number.

It is a super-2 number, since 2×21110210000402² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4392713 + ... + 7843235.

It is an arithmetic number, because the mean of its divisors is an integer number (1032631416432).

Almost surely, 2^{21110210000402} is an apocalyptic number.

21110210000402 is a deficient number, since it is larger than the sum of its proper divisors (11933995325422).

21110210000402 is a wasteful number, since it uses less digits than its factorization.

21110210000402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451634.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21110210000402 its reverse (20400001201112), we get a palindrome (41510211201514).

The spelling of 21110210000402 in words is "twenty-one trillion, one hundred ten billion, two hundred ten million, four hundred two", and thus it is an aban number.