22120102011 has 64 divisors (see below), whose sum is σ = 34976240640. Its totient is φ = 12173414400.

The previous prime is 22120102009. The next prime is 22120102013. The reversal of 22120102011 is 11020102122.

It is an interprime number because it is at equal distance from previous prime (22120102009) and next prime (22120102013).

It is not a de Polignac number, because 22120102011 - 2¹ = 22120102009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120102013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37301731 + ... + 37302323.

It is an arithmetic number, because the mean of its divisors is an integer number (546503760).

Almost surely, 2^22120102011 is an apocalyptic number.

22120102011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22120102011 is a deficient number, since it is larger than the sum of its proper divisors (12856138629).

22120102011 is a wasteful number, since it uses less digits than its factorization.

22120102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

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

Adding to 22120102011 its reverse (11020102122), we get a palindrome (33140204133).

The spelling of 22120102011 in words is "twenty-two billion, one hundred twenty million, one hundred two thousand, eleven".