22012212022011 has 24 divisors (see below), whose sum is σ = 31969408339440. Its totient is φ = 14594563198656.

The previous prime is 22012212021973. The next prime is 22012212022079. The reversal of 22012212022011 is 11022021221022.

It is a happy number.

22012212022011 is a `hidden beast` number, since 2 + 201 + 221 + 20 + 220 + 1 + 1 = 666.

It is not a de Polignac number, because 22012212022011 - 2¹⁰ = 22012212020987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012212029011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2056741 + ... + 6946553.

It is an arithmetic number, because the mean of its divisors is an integer number (1332058680810).

Almost surely, 2^{22012212022011} is an apocalyptic number.

22012212022011 is a deficient number, since it is larger than the sum of its proper divisors (9957196317429).

22012212022011 is a wasteful number, since it uses less digits than its factorization.

22012212022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892555 (or 4892552 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22012212022011 its reverse (11022021221022), we get a palindrome (33034233243033).

The spelling of 22012212022011 in words is "twenty-two trillion, twelve billion, two hundred twelve million, twenty-two thousand, eleven".