20011101219983 has 16 divisors (see below), whose sum is σ = 20849979955200. Its totient is φ = 19184373059040.

The previous prime is 20011101219947. The next prime is 20011101219997. The reversal of 20011101219983 is 38991210111002.

It is not a de Polignac number, because 20011101219983 - 2⁶ = 20011101219919 is a prime.

It is a super-2 number, since 2×20011101219983² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011101219913) 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, 17847878 + ... + 18935916.

It is an arithmetic number, because the mean of its divisors is an integer number (1303123747200).

Almost surely, 2^{20011101219983} is an apocalyptic number.

20011101219983 is a deficient number, since it is larger than the sum of its proper divisors (838878735217).

20011101219983 is a wasteful number, since it uses less digits than its factorization.

20011101219983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093622.

The product of its (nonzero) digits is 7776, while the sum is 38.

The spelling of 20011101219983 in words is "twenty trillion, eleven billion, one hundred one million, two hundred nineteen thousand, nine hundred eighty-three".