10211120200021 has 16 divisors (see below), whose sum is σ = 12149686209024. Its totient is φ = 8485495121664.

The previous prime is 10211120199979. The next prime is 10211120200027. The reversal of 10211120200021 is 12000202111201.

It is a cyclic number.

It is not a de Polignac number, because 10211120200021 - 2¹³ = 10211120191829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10211120199974 and 10211120200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211120200027) 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, 1004433261 + ... + 1004443426.

It is an arithmetic number, because the mean of its divisors is an integer number (759355388064).

Almost surely, 2^{10211120200021} is an apocalyptic number.

It is an amenable number.

10211120200021 is a deficient number, since it is larger than the sum of its proper divisors (1938566009003).

10211120200021 is a wasteful number, since it uses less digits than its factorization.

10211120200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008876740.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10211120200021 its reverse (12000202111201), we get a palindrome (22211322311222).

The spelling of 10211120200021 in words is "ten trillion, two hundred eleven billion, one hundred twenty million, two hundred thousand, twenty-one".