111021020202119 has 4 divisors (see below), whose sum is σ = 115848021080496. Its totient is φ = 106194019323744.

The previous prime is 111021020202109. The next prime is 111021020202133. The reversal of 111021020202119 is 911202020120111.

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 111021020202119 - 2¹⁶ = 111021020136583 is a prime.

It is a super-2 number, since 2×111021020202119² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 4827000878353 = 111021020202119 / (1 + 1 + 1 + 0 + 2 + 1 + 0 + 2 + 0 + 2 + 0 + 2 + 1 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111021020202094 and 111021020202103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021020202109) 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, 2413500439154 + ... + 2413500439199.

It is an arithmetic number, because the mean of its divisors is an integer number (28962005270124).

Almost surely, 2^{111021020202119} is an apocalyptic number.

111021020202119 is a deficient number, since it is larger than the sum of its proper divisors (4827000878377).

111021020202119 is an equidigital number, since it uses as much as digits as its factorization.

111021020202119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827000878376.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 111021020202119 in words is "one hundred eleven trillion, twenty-one billion, twenty million, two hundred two thousand, one hundred nineteen".