2211021111101 has 8 divisors (see below), whose sum is σ = 2468116589664. Its totient is φ = 1963274559120.

The previous prime is 2211021111073. The next prime is 2211021111107. The reversal of 2211021111101 is 1011111201122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211021111101 is a prime.

It is a super-2 number, since 2×2211021111101² (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 (2211021111107) 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, 2337231146 + ... + 2337232091.

It is an arithmetic number, because the mean of its divisors is an integer number (308514573708).

Almost surely, 2^{2211021111101} is an apocalyptic number.

It is an amenable number.

2211021111101 is a deficient number, since it is larger than the sum of its proper divisors (257095478563).

2211021111101 is a wasteful number, since it uses less digits than its factorization.

2211021111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674463291.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2211021111101 its reverse (1011111201122), we get a palindrome (3222132312223).

The spelling of 2211021111101 in words is "two trillion, two hundred eleven billion, twenty-one million, one hundred eleven thousand, one hundred one".