210212112022101 has 12 divisors (see below), whose sum is σ = 347016819846112. Its totient is φ = 120121206869736.

The previous prime is 210212112022091. The next prime is 210212112022127. The reversal of 210212112022101 is 101220211212012.

210212112022101 is a `hidden beast` number, since 21 + 0 + 21 + 211 + 202 + 210 + 1 = 666.

It is not a de Polignac number, because 210212112022101 - 2¹⁵ = 210212111989333 is a prime.

It is a super-2 number, since 2×210212112022101² (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 (210212112022181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1668350095351 + ... + 1668350095476.

Almost surely, 2^{210212112022101} is an apocalyptic number.

210212112022101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210212112022101 is a deficient number, since it is larger than the sum of its proper divisors (136804707824011).

210212112022101 is a wasteful number, since it uses less digits than its factorization.

210212112022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336700190840 (or 3336700190837 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210212112022101 its reverse (101220211212012), we get a palindrome (311432323234113).

The spelling of 210212112022101 in words is "two hundred ten trillion, two hundred twelve billion, one hundred twelve million, twenty-two thousand, one hundred one".