2221021102111 has 8 divisors (see below), whose sum is σ = 2541271692960. Its totient is φ = 1901510976768.

The previous prime is 2221021102109. The next prime is 2221021102117. The reversal of 2221021102111 is 1112011201222.

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 2221021102111 - 2¹ = 2221021102109 is a prime.

It is a super-2 number, since 2×2221021102111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221021102117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185109946 + ... + 185121943.

It is an arithmetic number, because the mean of its divisors is an integer number (317658961620).

Almost surely, 2^{2221021102111} is an apocalyptic number.

2221021102111 is a deficient number, since it is larger than the sum of its proper divisors (320250590849).

2221021102111 is an equidigital number, since it uses as much as digits as its factorization.

2221021102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370232753.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2221021102111 its reverse (1112011201222), we get a palindrome (3333032303333).

The spelling of 2221021102111 in words is "two trillion, two hundred twenty-one billion, twenty-one million, one hundred two thousand, one hundred eleven".