112120202102122 has 4 divisors (see below), whose sum is σ = 168180303153186. Its totient is φ = 56060101051060.

The previous prime is 112120202102107. The next prime is 112120202102159. The reversal of 112120202102122 is 221201202021211.

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

It can be written as a sum of positive squares in only one way, i.e., 109544880044161 + 2575322057961 = 10466369^2 + 1604781^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 112120202102122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28030050525529 + ... + 28030050525532.

Almost surely, 2^{112120202102122} is an apocalyptic number.

112120202102122 is a deficient number, since it is larger than the sum of its proper divisors (56060101051064).

112120202102122 is an equidigital number, since it uses as much as digits as its factorization.

112120202102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56060101051063.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112120202102122 its reverse (221201202021211), we get a palindrome (333321404123333).

The spelling of 112120202102122 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred two million, one hundred two thousand, one hundred twenty-two".