121122121212202 has 16 divisors (see below), whose sum is σ = 198209005888032. Its totient is φ = 55052962092720.

The previous prime is 121122121212199. The next prime is 121122121212269. The reversal of 121122121212202 is 202212121221121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126891168 + ... + 127842139.

It is an arithmetic number, because the mean of its divisors is an integer number (12388062868002).

Almost surely, 2^{121122121212202} is an apocalyptic number.

121122121212202 is a deficient number, since it is larger than the sum of its proper divisors (77086884675830).

121122121212202 is a wasteful number, since it uses less digits than its factorization.

121122121212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254754933.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 121122121212202 its reverse (202212121221121), we get a palindrome (323334242433323).

The spelling of 121122121212202 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twelve thousand, two hundred two".