121122301121 has 4 divisors (see below), whose sum is σ = 121368986544. Its totient is φ = 120875615700.

The previous prime is 121122301109. The next prime is 121122301129. The reversal of 121122301121 is 121103221121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121103221121 = 67 ⋅1807510763.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121122301121 is a prime.

It is a super-2 number, since 2×121122301121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121122301121.

It is not an unprimeable number, because it can be changed into a prime (121122301129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123341975 + ... + 123342956.

It is an arithmetic number, because the mean of its divisors is an integer number (30342246636).

Almost surely, 2^121122301121 is an apocalyptic number.

It is an amenable number.

121122301121 is a deficient number, since it is larger than the sum of its proper divisors (246685423).

121122301121 is an equidigital number, since it uses as much as digits as its factorization.

121122301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246685422.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121122301121 its reverse (121103221121), we get a palindrome (242225522242).

The spelling of 121122301121 in words is "one hundred twenty-one billion, one hundred twenty-two million, three hundred one thousand, one hundred twenty-one".