121122110222002 has 16 divisors (see below), whose sum is σ = 181699334875800. Its totient is φ = 60555665536128.

The previous prime is 121122110221997. The next prime is 121122110222033. The reversal of 121122110222002 is 200222011221121.

It can be written as a sum of positive squares in 4 ways, for example, as 52003987081641 + 69118123140361 = 7211379^2 + 8313731^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1597942368 + ... + 1598018164.

Almost surely, 2^{121122110222002} is an apocalyptic number.

121122110222002 is a deficient number, since it is larger than the sum of its proper divisors (60577224653798).

121122110222002 is a wasteful number, since it uses less digits than its factorization.

121122110222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136365.

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

Adding to 121122110222002 its reverse (200222011221121), we get a palindrome (321344121443123).

The spelling of 121122110222002 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred ten million, two hundred twenty-two thousand, two".