22011021002001 has 16 divisors (see below), whose sum is σ = 30892791585600. Its totient is φ = 13901638736448.

The previous prime is 22011021001961. The next prime is 22011021002011. The reversal of 22011021002001 is 10020012011022.

It is not a de Polignac number, because 22011021002001 - 2¹¹ = 22011020999953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011021002011) 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 15 ways as a sum of consecutive naturals, for example, 15700315 + ... + 17044703.

It is an arithmetic number, because the mean of its divisors is an integer number (1930799474100).

Almost surely, 2^{22011021002001} is an apocalyptic number.

It is an amenable number.

22011021002001 is a deficient number, since it is larger than the sum of its proper divisors (8881770583599).

22011021002001 is a wasteful number, since it uses less digits than its factorization.

22011021002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631648.

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

Adding to 22011021002001 its reverse (10020012011022), we get a palindrome (32031033013023).

The spelling of 22011021002001 in words is "twenty-two trillion, eleven billion, twenty-one million, two thousand, one".