20021011011002 has 32 divisors (see below), whose sum is σ = 30613358064960. Its totient is φ = 9817394146560.

The previous prime is 20021011010977. The next prime is 20021011011047. The reversal of 20021011011002 is 20011011012002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87975602 + ... + 88202882.

It is an arithmetic number, because the mean of its divisors is an integer number (956667439530).

Almost surely, 2^{20021011011002} is an apocalyptic number.

20021011011002 is a deficient number, since it is larger than the sum of its proper divisors (10592347053958).

20021011011002 is a wasteful number, since it uses less digits than its factorization.

20021011011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229118.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20021011011002 its reverse (20011011012002), we get a palindrome (40032022023004).

It can be divided in two parts, 2002101 and 1011002, that added together give a palindrome (3013103).

The spelling of 20021011011002 in words is "twenty trillion, twenty-one billion, eleven million, eleven thousand, two".