121230222211 has 8 divisors (see below), whose sum is σ = 140897111040. Its totient is φ = 102150404808.

The previous prime is 121230222193. The next prime is 121230222229. The reversal of 121230222211 is 112222032121.

It is an interprime number because it is at equal distance from previous prime (121230222193) and next prime (121230222229).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121230222211 - 2¹³ = 121230214019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121230222251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146767411 + ... + 146768236.

It is an arithmetic number, because the mean of its divisors is an integer number (17612138880).

Almost surely, 2^121230222211 is an apocalyptic number.

121230222211 is a deficient number, since it is larger than the sum of its proper divisors (19666888829).

121230222211 is an equidigital number, since it uses as much as digits as its factorization.

121230222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293535713.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121230222211 its reverse (112222032121), we get a palindrome (233452254332).

The spelling of 121230222211 in words is "one hundred twenty-one billion, two hundred thirty million, two hundred twenty-two thousand, two hundred eleven".