20020102011101 has 16 divisors (see below), whose sum is σ = 20413837551744. Its totient is φ = 19629222564864.

The previous prime is 20020102011097. The next prime is 20020102011103. The reversal of 20020102011101 is 10111020102002.

It is a cyclic number.

It is not a de Polignac number, because 20020102011101 - 2² = 20020102011097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020102011103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41237096 + ... + 41719758.

It is an arithmetic number, because the mean of its divisors is an integer number (1275864846984).

Almost surely, 2^{20020102011101} is an apocalyptic number.

It is an amenable number.

20020102011101 is a deficient number, since it is larger than the sum of its proper divisors (393735540643).

20020102011101 is a wasteful number, since it uses less digits than its factorization.

20020102011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485620.

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

Adding to 20020102011101 its reverse (10111020102002), we get a palindrome (30131122113103).

The spelling of 20020102011101 in words is "twenty trillion, twenty billion, one hundred two million, eleven thousand, one hundred one".