221200000112021 has 8 divisors (see below), whose sum is σ = 252818222685504. Its totient is φ = 189586333177920.

The previous prime is 221200000111997. The next prime is 221200000112053. The reversal of 221200000112021 is 120211000002122.

221200000112021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221200000112021 - 2⁶ = 221200000111957 is a prime.

It is a super-3 number, since 3×221200000112021³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221200000111987 and 221200000112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221200000112521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138805795 + ... + 1139000016.

It is an arithmetic number, because the mean of its divisors is an integer number (31602277835688).

Almost surely, 2^{221200000112021} is an apocalyptic number.

It is an amenable number.

221200000112021 is a deficient number, since it is larger than the sum of its proper divisors (31618222573483).

221200000112021 is a wasteful number, since it uses less digits than its factorization.

221200000112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277819691.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221200000112021 its reverse (120211000002122), we get a palindrome (341411000114143).

The spelling of 221200000112021 in words is "two hundred twenty-one trillion, two hundred billion, one hundred twelve thousand, twenty-one".