20021011100002 has 16 divisors (see below), whose sum is σ = 33818482093824. Its totient is φ = 8806896378000.

The previous prime is 20021011099979. The next prime is 20021011100021. The reversal of 20021011100002 is 20000111012002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14678159949 + ... + 14678161312.

It is an arithmetic number, because the mean of its divisors is an integer number (2113655130864).

Almost surely, 2^{20021011100002} is an apocalyptic number.

20021011100002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20021011100002 is a deficient number, since it is larger than the sum of its proper divisors (13797470993822).

20021011100002 is a wasteful number, since it uses less digits than its factorization.

20021011100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29356321305.

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

Adding to 20021011100002 its reverse (20000111012002), we get a palindrome (40021122112004).

The spelling of 20021011100002 in words is "twenty trillion, twenty-one billion, eleven million, one hundred thousand, two".