22101220012011 has 8 divisors (see below), whose sum is σ = 33678049542144. Its totient is φ = 12629268578280.

The previous prime is 22101220012009. The next prime is 22101220012031. The reversal of 22101220012011 is 11021002210122.

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

It is not a de Polignac number, because 22101220012011 - 2¹ = 22101220012009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22101220012031) 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, 526219524075 + ... + 526219524116.

It is an arithmetic number, because the mean of its divisors is an integer number (4209756192768).

Almost surely, 2^{22101220012011} is an apocalyptic number.

22101220012011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22101220012011 is a deficient number, since it is larger than the sum of its proper divisors (11576829530133).

22101220012011 is a wasteful number, since it uses less digits than its factorization.

22101220012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052439048201.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22101220012011 its reverse (11021002210122), we get a palindrome (33122222222133).

The spelling of 22101220012011 in words is "twenty-two trillion, one hundred one billion, two hundred twenty million, twelve thousand, eleven".