101200200210021 has 32 divisors (see below), whose sum is σ = 148949110453248. Its totient is φ = 60606746749440.

The previous prime is 101200200210019. The next prime is 101200200210071. The reversal of 101200200210021 is 120012002002101.

It is not a de Polignac number, because 101200200210021 - 2¹ = 101200200210019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101200200209979 and 101200200210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200200210071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22525881 + ... + 26642366.

It is an arithmetic number, because the mean of its divisors is an integer number (4654659701664).

Almost surely, 2^{101200200210021} is an apocalyptic number.

101200200210021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101200200210021 is a deficient number, since it is larger than the sum of its proper divisors (47748910243227).

101200200210021 is a wasteful number, since it uses less digits than its factorization.

101200200210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49169001.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101200200210021 its reverse (120012002002101), we get a palindrome (221212202212122).

The spelling of 101200200210021 in words is "one hundred one trillion, two hundred billion, two hundred million, two hundred ten thousand, twenty-one".