200210112120021 has 16 divisors (see below), whose sum is σ = 269319442100544. Its totient is φ = 132287185151744.

The previous prime is 200210112120013. The next prime is 200210112120037. The reversal of 200210112120021 is 120021211012002.

It is a cyclic number.

It is not a de Polignac number, because 200210112120021 - 2³ = 200210112120013 is a prime.

It is a super-2 number, since 2×200210112120021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210112124021) 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, 2337546 + ... + 20146571.

It is an arithmetic number, because the mean of its divisors is an integer number (16832465131284).

Almost surely, 2^{200210112120021} is an apocalyptic number.

It is an amenable number.

200210112120021 is a deficient number, since it is larger than the sum of its proper divisors (69109329980523).

200210112120021 is a wasteful number, since it uses less digits than its factorization.

200210112120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22510500.

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

Adding to 200210112120021 its reverse (120021211012002), we get a palindrome (320231323132023).

The spelling of 200210112120021 in words is "two hundred trillion, two hundred ten billion, one hundred twelve million, one hundred twenty thousand, twenty-one".