21110002121002 has 8 divisors (see below), whose sum is σ = 33041742450336. Its totient is φ = 10096087970892.

The previous prime is 21110002120981. The next prime is 21110002121023. The reversal of 21110002121002 is 20012120001112.

It is an interprime number because it is at equal distance from previous prime (21110002120981) and next prime (21110002121023).

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, 229456544748 + ... + 229456544839.

It is an arithmetic number, because the mean of its divisors is an integer number (4130217806292).

Almost surely, 2^{21110002121002} is an apocalyptic number.

21110002121002 is a deficient number, since it is larger than the sum of its proper divisors (11931740329334).

21110002121002 is a wasteful number, since it uses less digits than its factorization.

21110002121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458913089612.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21110002121002 its reverse (20012120001112), we get a palindrome (41122122122114).

The spelling of 21110002121002 in words is "twenty-one trillion, one hundred ten billion, two million, one hundred twenty-one thousand, two".