111010012021022 has 4 divisors (see below), whose sum is σ = 166515018031536. Its totient is φ = 55505006010510.

The previous prime is 111010012021021. The next prime is 111010012021033. The reversal of 111010012021022 is 220120210010111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111010012020988 and 111010012021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010012021021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752503005254 + ... + 27752503005257.

It is an arithmetic number, because the mean of its divisors is an integer number (41628754507884).

Almost surely, 2^{111010012021022} is an apocalyptic number.

111010012021022 is a deficient number, since it is larger than the sum of its proper divisors (55505006010514).

111010012021022 is an equidigital number, since it uses as much as digits as its factorization.

111010012021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55505006010513.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111010012021022 its reverse (220120210010111), we get a palindrome (331130222031133).

The spelling of 111010012021022 in words is "one hundred eleven trillion, ten billion, twelve million, twenty-one thousand, twenty-two".