11201012210021 has 16 divisors (see below), whose sum is σ = 11579953226688. Its totient is φ = 10827655776000.

The previous prime is 11201012209969. The next prime is 11201012210023. The reversal of 11201012210021 is 12001221010211.

It is a cyclic number.

It is not a de Polignac number, because 11201012210021 - 2⁴² = 6802965698917 is a prime.

It is a super-2 number, since 2×11201012210021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201012209978 and 11201012210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201012210023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3505421 + ... + 5889821.

It is an arithmetic number, because the mean of its divisors is an integer number (723747076668).

Almost surely, 2^{11201012210021} is an apocalyptic number.

It is an amenable number.

11201012210021 is a deficient number, since it is larger than the sum of its proper divisors (378941016667).

11201012210021 is a wasteful number, since it uses less digits than its factorization.

11201012210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385572.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11201012210021 its reverse (12001221010211), we get a palindrome (23202233220232).

The spelling of 11201012210021 in words is "eleven trillion, two hundred one billion, twelve million, two hundred ten thousand, twenty-one".