111010210221 has 8 divisors (see below), whose sum is σ = 148021310304. Its totient is φ = 74002958480.

The previous prime is 111010210219. The next prime is 111010210231. The reversal of 111010210221 is 122012010111.

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

It is a cyclic number.

It is not a de Polignac number, because 111010210221 - 2¹ = 111010210219 is a prime.

It is a super-2 number, since 2×111010210221² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111010210197 and 111010210206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010210211) 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, 894090 + ... + 1010651.

It is an arithmetic number, because the mean of its divisors is an integer number (18502663788).

Almost surely, 2^111010210221 is an apocalyptic number.

It is an amenable number.

111010210221 is a deficient number, since it is larger than the sum of its proper divisors (37011100083).

111010210221 is a wasteful number, since it uses less digits than its factorization.

111010210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924171.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111010210221 its reverse (122012010111), we get a palindrome (233022220332).

The spelling of 111010210221 in words is "one hundred eleven billion, ten million, two hundred ten thousand, two hundred twenty-one".