112212022011221 has 16 divisors (see below), whose sum is σ = 122529403454208. Its totient is φ = 101914057440000.

The previous prime is 112212022011217. The next prime is 112212022011239. The reversal of 112212022011221 is 122110220212211.

It is a cyclic number.

It is not a de Polignac number, because 112212022011221 - 2² = 112212022011217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112212022011193 and 112212022011202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212022011211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62620721 + ... + 64387721.

It is an arithmetic number, because the mean of its divisors is an integer number (7658087715888).

Almost surely, 2^{112212022011221} is an apocalyptic number.

112212022011221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112212022011221 is a deficient number, since it is larger than the sum of its proper divisors (10317381442987).

112212022011221 is a wasteful number, since it uses less digits than its factorization.

112212022011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772492.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112212022011221 its reverse (122110220212211), we get a palindrome (234322242223432).

The spelling of 112212022011221 in words is "one hundred twelve trillion, two hundred twelve billion, twenty-two million, eleven thousand, two hundred twenty-one".