22221000001011 has 24 divisors (see below), whose sum is σ = 34979630842560. Its totient is φ = 12508196157072.

The previous prime is 22221000001009. The next prime is 22221000001019. The reversal of 22221000001011 is 11010000012222.

It is not a de Polignac number, because 22221000001011 - 2¹ = 22221000001009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221000001019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1128074221 + ... + 1128093918.

It is an arithmetic number, because the mean of its divisors is an integer number (1457484618440).

Almost surely, 2^{22221000001011} is an apocalyptic number.

22221000001011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22221000001011 is a deficient number, since it is larger than the sum of its proper divisors (12758630841549).

22221000001011 is a wasteful number, since it uses less digits than its factorization.

22221000001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256168223 (or 2256168216 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22221000001011 its reverse (11010000012222), we get a palindrome (33231000013233).

The spelling of 22221000001011 in words is "twenty-two trillion, two hundred twenty-one billion, one thousand, eleven".