21100001120002 has 32 divisors (see below), whose sum is σ = 36206637876864. Its totient is φ = 9034056729600.

The previous prime is 21100001119999. The next prime is 21100001120039. The reversal of 21100001120002 is 20002110000112.

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, 409516002 + ... + 409567522.

It is an arithmetic number, because the mean of its divisors is an integer number (1131457433652).

Almost surely, 2^{21100001120002} is an apocalyptic number.

21100001120002 is a deficient number, since it is larger than the sum of its proper divisors (15106636756862).

21100001120002 is a wasteful number, since it uses less digits than its factorization.

21100001120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79434.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21100001120002 its reverse (20002110000112), we get a palindrome (41102111120114).

The spelling of 21100001120002 in words is "twenty-one trillion, one hundred billion, one million, one hundred twenty thousand, two".