210021002212001 has 16 divisors (see below), whose sum is σ = 211305800122560. Its totient is φ = 208739530295040.

The previous prime is 210021002211971. The next prime is 210021002212009. The reversal of 210021002212001 is 100212200120012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210021002212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210021002212009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2425729730 + ... + 2425816308.

It is an arithmetic number, because the mean of its divisors is an integer number (13206612507660).

Almost surely, 2^{210021002212001} is an apocalyptic number.

It is an amenable number.

210021002212001 is a deficient number, since it is larger than the sum of its proper divisors (1284797910559).

210021002212001 is a wasteful number, since it uses less digits than its factorization.

210021002212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105616.

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

Adding to 210021002212001 its reverse (100212200120012), we get a palindrome (310233202332013).

The spelling of 210021002212001 in words is "two hundred ten trillion, twenty-one billion, two million, two hundred twelve thousand, one".