20101022119 has 4 divisors (see below), whose sum is σ = 20101346496. Its totient is φ = 20100697744.

The previous prime is 20101022101. The next prime is 20101022129. The reversal of 20101022119 is 91122010102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20101022119 - 2¹⁵ = 20100989351 is a prime.

It is a super-2 number, since 2×20101022119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20101022096 and 20101022105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101022129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37054 + ... + 203899.

It is an arithmetic number, because the mean of its divisors is an integer number (5025336624).

Almost surely, 2^20101022119 is an apocalyptic number.

20101022119 is a deficient number, since it is larger than the sum of its proper divisors (324377).

20101022119 is an equidigital number, since it uses as much as digits as its factorization.

20101022119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324376.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 20101022119 in words is "twenty billion, one hundred one million, twenty-two thousand, one hundred nineteen".