20002021222011 has 16 divisors (see below), whose sum is σ = 26687301984000. Its totient is φ = 13325712940448.

The previous prime is 20002021222003. The next prime is 20002021222037. The reversal of 20002021222011 is 11022212020002.

It is a cyclic number.

It is not a de Polignac number, because 20002021222011 - 2³ = 20002021222003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002021222061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34937140 + ... + 35505038.

It is an arithmetic number, because the mean of its divisors is an integer number (1667956374000).

Almost surely, 2^{20002021222011} is an apocalyptic number.

20002021222011 is a deficient number, since it is larger than the sum of its proper divisors (6685280761989).

20002021222011 is a wasteful number, since it uses less digits than its factorization.

20002021222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575778.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20002021222011 its reverse (11022212020002), we get a palindrome (31024233242013).

The spelling of 20002021222011 in words is "twenty trillion, two billion, twenty-one million, two hundred twenty-two thousand, eleven".