1112201210122 has 4 divisors (see below), whose sum is σ = 1668301815186. Its totient is φ = 556100605060.

The previous prime is 1112201210093. The next prime is 1112201210123. The reversal of 1112201210122 is 2210121022111.

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., 1101536310681 + 10664899441 = 1049541^2 + 103271^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1112201210096 and 1112201210105.

It is not an unprimeable number, because it can be changed into a prime (1112201210123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278050302529 + ... + 278050302532.

Almost surely, 2^{1112201210122} is an apocalyptic number.

1112201210122 is a deficient number, since it is larger than the sum of its proper divisors (556100605064).

1112201210122 is an equidigital number, since it uses as much as digits as its factorization.

1112201210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556100605063.

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

Adding to 1112201210122 its reverse (2210121022111), we get a palindrome (3322322232233).

The spelling of 1112201210122 in words is "one trillion, one hundred twelve billion, two hundred one million, two hundred ten thousand, one hundred twenty-two".