121022112201 has 4 divisors (see below), whose sum is σ = 161362816272. Its totient is φ = 80681408132.

The previous prime is 121022112181. The next prime is 121022112221. The reversal of 121022112201 is 102211220121.

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.

It is an interprime number because it is at equal distance from previous prime (121022112181) and next prime (121022112221).

It is a cyclic number.

It is not a de Polignac number, because 121022112201 - 2⁶ = 121022112137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121022112221) 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, 20170352031 + ... + 20170352036.

It is an arithmetic number, because the mean of its divisors is an integer number (40340704068).

Almost surely, 2^121022112201 is an apocalyptic number.

It is an amenable number.

121022112201 is a deficient number, since it is larger than the sum of its proper divisors (40340704071).

121022112201 is an equidigital number, since it uses as much as digits as its factorization.

121022112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40340704070.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121022112201 its reverse (102211220121), we get a palindrome (223233332322).

The spelling of 121022112201 in words is "one hundred twenty-one billion, twenty-two million, one hundred twelve thousand, two hundred one".