21200100210033 has 16 divisors (see below), whose sum is σ = 29451888177600. Its totient is φ = 13547868546240.

The previous prime is 21200100209999. The next prime is 21200100210053. The reversal of 21200100210033 is 33001200100212.

It is not a de Polignac number, because 21200100210033 - 2²¹ = 21200098112881 is a prime.

It is a super-2 number, since 2×21200100210033² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21200100209994 and 21200100210021.

It is not an unprimeable number, because it can be changed into a prime (21200100210053) 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, 876532198 + ... + 876556383.

It is an arithmetic number, because the mean of its divisors is an integer number (1840743011100).

Almost surely, 2^{21200100210033} is an apocalyptic number.

It is an amenable number.

21200100210033 is a deficient number, since it is larger than the sum of its proper divisors (8251787967567).

21200100210033 is a wasteful number, since it uses less digits than its factorization.

21200100210033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753088752.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21200100210033 its reverse (33001200100212), we get a palindrome (54201300310245).

The spelling of 21200100210033 in words is "twenty-one trillion, two hundred billion, one hundred million, two hundred ten thousand, thirty-three".