21100010112002 has 8 divisors (see below), whose sum is σ = 31650782695056. Its totient is φ = 10549749213652.

The previous prime is 21100010111993. The next prime is 21100010112031. The reversal of 21100010112002 is 20021101000112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127818068 + ... + 127983039.

It is an arithmetic number, because the mean of its divisors is an integer number (3956347836882).

Almost surely, 2^{21100010112002} is an apocalyptic number.

21100010112002 is a deficient number, since it is larger than the sum of its proper divisors (10550772583054).

21100010112002 is a wasteful number, since it uses less digits than its factorization.

21100010112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255842352.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21100010112002 its reverse (20021101000112), we get a palindrome (41121111112114).

The spelling of 21100010112002 in words is "twenty-one trillion, one hundred billion, ten million, one hundred twelve thousand, two".