112002021221 has 2 divisors, whose sum is σ = 112002021222. Its totient is φ = 112002021220.

The previous prime is 112002021163. The next prime is 112002021239. The reversal of 112002021221 is 122120200211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96168832321 + 15833188900 = 310111^2 + 125830^2 .

It is a cyclic number.

It is not a de Polignac number, because 112002021221 - 2¹⁰ = 112002020197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112002021196 and 112002021205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112002021121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56001010610 + 56001010611.

It is an arithmetic number, because the mean of its divisors is an integer number (56001010611).

Almost surely, 2^112002021221 is an apocalyptic number.

It is an amenable number.

112002021221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112002021221 is an equidigital number, since it uses as much as digits as its factorization.

112002021221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112002021221 its reverse (122120200211), we get a palindrome (234122221432).

The spelling of 112002021221 in words is "one hundred twelve billion, two million, twenty-one thousand, two hundred twenty-one".