2221101021011 has 8 divisors (see below), whose sum is σ = 2233155944880. Its totient is φ = 2209074231328.

The previous prime is 2221101021001. The next prime is 2221101021091. The reversal of 2221101021011 is 1101201011222.

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 2221101021011 - 2⁶ = 2221101020947 is a prime.

It is a super-2 number, since 2×2221101021011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221101021001) 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, 6875216 + ... + 7191021.

It is an arithmetic number, because the mean of its divisors is an integer number (279144493110).

Almost surely, 2^{2221101021011} is an apocalyptic number.

2221101021011 is a deficient number, since it is larger than the sum of its proper divisors (12054923869).

2221101021011 is a wasteful number, since it uses less digits than its factorization.

2221101021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14067093.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2221101021011 its reverse (1101201011222), we get a palindrome (3322302032233).

The spelling of 2221101021011 in words is "two trillion, two hundred twenty-one billion, one hundred one million, twenty-one thousand, eleven".