21101002212002 has 8 divisors (see below), whose sum is σ = 31651866892800. Its totient is φ = 10550379914404.

The previous prime is 21101002211957. The next prime is 21101002212023. The reversal of 21101002212002 is 20021220010112.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60378002 + ... + 60726477.

It is an arithmetic number, because the mean of its divisors is an integer number (3956483361600).

Almost surely, 2^{21101002212002} is an apocalyptic number.

21101002212002 is a deficient number, since it is larger than the sum of its proper divisors (10550864680798).

21101002212002 is a wasteful number, since it uses less digits than its factorization.

21101002212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121191600.

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

Adding to 21101002212002 its reverse (20021220010112), we get a palindrome (41122222222114).

The spelling of 21101002212002 in words is "twenty-one trillion, one hundred one billion, two million, two hundred twelve thousand, two".