20021011120011 has 32 divisors (see below), whose sum is σ = 30658937748480. Its totient is φ = 11493533124000.

The previous prime is 20021011119959. The next prime is 20021011120037. The reversal of 20021011120011 is 11002111012002.

It is not a de Polignac number, because 20021011120011 - 2⁷ = 20021011119883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20021011120081) 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, 1569856 + ... + 6519698.

It is an arithmetic number, because the mean of its divisors is an integer number (958091804640).

Almost surely, 2^{20021011120011} is an apocalyptic number.

20021011120011 is a deficient number, since it is larger than the sum of its proper divisors (10637926628469).

20021011120011 is a wasteful number, since it uses less digits than its factorization.

20021011120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956327.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20021011120011 its reverse (11002111012002), we get a palindrome (31023122132013).

The spelling of 20021011120011 in words is "twenty trillion, twenty-one billion, eleven million, one hundred twenty thousand, eleven".