121122213001 has 4 divisors (see below), whose sum is σ = 121197027600. Its totient is φ = 121047398404.

The previous prime is 121122212999. The next prime is 121122213031. The reversal of 121122213001 is 100312221121.

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: 100312221121 = 7 ⋅14330317303.

It is a cyclic number.

It is not a de Polignac number, because 121122213001 - 2¹ = 121122212999 is a prime.

It is a super-2 number, since 2×121122213001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122213031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37404871 + ... + 37408108.

It is an arithmetic number, because the mean of its divisors is an integer number (30299256900).

Almost surely, 2^121122213001 is an apocalyptic number.

It is an amenable number.

121122213001 is a deficient number, since it is larger than the sum of its proper divisors (74814599).

121122213001 is an equidigital number, since it uses as much as digits as its factorization.

121122213001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74814598.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121122213001 its reverse (100312221121), we get a palindrome (221434434122).

The spelling of 121122213001 in words is "one hundred twenty-one billion, one hundred twenty-two million, two hundred thirteen thousand, one".