210212001221001 has 16 divisors (see below), whose sum is σ = 302184711506496. Its totient is φ = 129214729538496.

The previous prime is 210212001220961. The next prime is 210212001221017. The reversal of 210212001221001 is 100122100212012.

It is not a de Polignac number, because 210212001221001 - 2⁹ = 210212001220489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210212001222001) 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, 3052089750 + ... + 3052158623.

It is an arithmetic number, because the mean of its divisors is an integer number (18886544469156).

Almost surely, 2^{210212001221001} is an apocalyptic number.

It is an amenable number.

210212001221001 is a deficient number, since it is larger than the sum of its proper divisors (91972710285495).

210212001221001 is a wasteful number, since it uses less digits than its factorization.

210212001221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6104249272.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210212001221001 its reverse (100122100212012), we get a palindrome (310334101433013).

The spelling of 210212001221001 in words is "two hundred ten trillion, two hundred twelve billion, one million, two hundred twenty-one thousand, one".