22021121002011 has 8 divisors (see below), whose sum is σ = 29465245535040. Its totient is φ = 14628871901832.

The previous prime is 22021121001983. The next prime is 22021121002033. The reversal of 22021121002011 is 11020012112022.

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

It is not a de Polignac number, because 22021121002011 - 2⁶ = 22021121001947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22021121002081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12968857221 + ... + 12968858918.

It is an arithmetic number, because the mean of its divisors is an integer number (3683155691880).

Almost surely, 2^{22021121002011} is an apocalyptic number.

22021121002011 is a deficient number, since it is larger than the sum of its proper divisors (7444124533029).

22021121002011 is a wasteful number, since it uses less digits than its factorization.

22021121002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25937716425.

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

Adding to 22021121002011 its reverse (11020012112022), we get a palindrome (33041133114033).

The spelling of 22021121002011 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-one million, two thousand, eleven".