111020101021222 has 4 divisors (see below), whose sum is σ = 166530151531836. Its totient is φ = 55510050510610.

The previous prime is 111020101021201. The next prime is 111020101021243. The reversal of 111020101021222 is 222120101020111.

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

It is an interprime number because it is at equal distance from previous prime (111020101021201) and next prime (111020101021243).

It is a junction number, because it is equal to n+sod(n) for n = 111020101021196 and 111020101021205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755025255304 + ... + 27755025255307.

It is an arithmetic number, because the mean of its divisors is an integer number (41632537882959).

Almost surely, 2^{111020101021222} is an apocalyptic number.

111020101021222 is a deficient number, since it is larger than the sum of its proper divisors (55510050510614).

111020101021222 is an equidigital number, since it uses as much as digits as its factorization.

111020101021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55510050510613.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111020101021222 its reverse (222120101020111), we get a palindrome (333140202041333).

The spelling of 111020101021222 in words is "one hundred eleven trillion, twenty billion, one hundred one million, twenty-one thousand, two hundred twenty-two".