20102101219983 has 4 divisors (see below), whose sum is σ = 26802801626648. Its totient is φ = 13401400813320.

The previous prime is 20102101219969. The next prime is 20102101220081. The reversal of 20102101219983 is 38991210120102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20102101219983 - 2¹⁴ = 20102101203599 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 (20102101219183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3350350203328 + ... + 3350350203333.

It is an arithmetic number, because the mean of its divisors is an integer number (6700700406662).

Almost surely, 2^{20102101219983} is an apocalyptic number.

20102101219983 is a deficient number, since it is larger than the sum of its proper divisors (6700700406665).

20102101219983 is an equidigital number, since it uses as much as digits as its factorization.

20102101219983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700700406664.

The product of its (nonzero) digits is 15552, while the sum is 39.

The spelling of 20102101219983 in words is "twenty trillion, one hundred two billion, one hundred one million, two hundred nineteen thousand, nine hundred eighty-three".