111010010200221 has 32 divisors (see below), whose sum is σ = 174604890359808. Its totient is φ = 61973957968640.

The previous prime is 111010010200217. The next prime is 111010010200249. The reversal of 111010010200221 is 122002010010111.

It is a cyclic number.

It is not a de Polignac number, because 111010010200221 - 2² = 111010010200217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111010010200197 and 111010010200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010010300221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2105067315 + ... + 2105120048.

It is an arithmetic number, because the mean of its divisors is an integer number (5456402823744).

Almost surely, 2^{111010010200221} is an apocalyptic number.

111010010200221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111010010200221 is a deficient number, since it is larger than the sum of its proper divisors (63594880159587).

111010010200221 is a wasteful number, since it uses less digits than its factorization.

111010010200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210187441.

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

Adding to 111010010200221 its reverse (122002010010111), we get a palindrome (233012020210332).

The spelling of 111010010200221 in words is "one hundred eleven trillion, ten billion, ten million, two hundred thousand, two hundred twenty-one".