112121020202 has 8 divisors (see below), whose sum is σ = 168788684676. Its totient is φ = 55858125312.

The previous prime is 112121020181. The next prime is 112121020223. The reversal of 112121020202 is 202020121211.

It is an interprime number because it is at equal distance from previous prime (112121020181) and next prime (112121020223).

It can be written as a sum of positive squares in 2 ways, for example, as 112118495281 + 2524921 = 334841^2 + 1589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×112121020202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 101191703 + ... + 101192810.

Almost surely, 2^112121020202 is an apocalyptic number.

112121020202 is a deficient number, since it is larger than the sum of its proper divisors (56667664474).

112121020202 is a wasteful number, since it uses less digits than its factorization.

112121020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202384792.

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

Adding to 112121020202 its reverse (202020121211), we get a palindrome (314141141413).

The spelling of 112121020202 in words is "one hundred twelve billion, one hundred twenty-one million, twenty thousand, two hundred two".