210201212210101 has 24 divisors (see below), whose sum is σ = 248544635410944. Its totient is φ = 177207171130080.

The previous prime is 210201212210081. The next prime is 210201212210107. The reversal of 210201212210101 is 101012212102012.

It is not a de Polignac number, because 210201212210101 - 2²³ = 210201203821493 is a prime.

It is a super-2 number, since 2×210201212210101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210201212210107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43317336 + ... + 47924878.

It is an arithmetic number, because the mean of its divisors is an integer number (10356026475456).

Almost surely, 2^{210201212210101} is an apocalyptic number.

It is an amenable number.

210201212210101 is a deficient number, since it is larger than the sum of its proper divisors (38343423200843).

210201212210101 is a wasteful number, since it uses less digits than its factorization.

210201212210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622881 (or 4622874 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210201212210101 its reverse (101012212102012), we get a palindrome (311213424312113).

The spelling of 210201212210101 in words is "two hundred ten trillion, two hundred one billion, two hundred twelve million, two hundred ten thousand, one hundred one".