20010011022001 has 32 divisors (see below), whose sum is σ = 27793022342400. Its totient is φ = 13896511130880.

The previous prime is 20010011021999. The next prime is 20010011022049. The reversal of 20010011022001 is 10022011001002.

It is not a de Polignac number, because 20010011022001 - 2¹ = 20010011021999 is a prime.

It is a super-2 number, since 2×20010011022001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20010011022301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344626506 + ... + 344684563.

It is an arithmetic number, because the mean of its divisors is an integer number (868531948200).

Almost surely, 2^{20010011022001} is an apocalyptic number.

It is an amenable number.

20010011022001 is a deficient number, since it is larger than the sum of its proper divisors (7783011320399).

20010011022001 is a wasteful number, since it uses less digits than its factorization.

20010011022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689311129.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20010011022001 its reverse (10022011001002), we get a palindrome (30032022023003).

The spelling of 20010011022001 in words is "twenty trillion, ten billion, eleven million, twenty-two thousand, one".