121202212022 has 4 divisors (see below), whose sum is σ = 181803318036. Its totient is φ = 60601106010.

The previous prime is 121202211997. The next prime is 121202212031. The reversal of 121202212022 is 220212202121.

It is a happy number.

121202212022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220212202121 = 21943 ⋅10035647.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30300553004 + ... + 30300553007.

It is an arithmetic number, because the mean of its divisors is an integer number (45450829509).

Almost surely, 2^121202212022 is an apocalyptic number.

121202212022 is a deficient number, since it is larger than the sum of its proper divisors (60601106014).

121202212022 is an equidigital number, since it uses as much as digits as its factorization.

121202212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60601106013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121202212022 its reverse (220212202121), we get a palindrome (341414414143).

Subtracting 121202212022 from its reverse (220212202121), we obtain a palindrome (99009990099).

The spelling of 121202212022 in words is "one hundred twenty-one billion, two hundred two million, two hundred twelve thousand, twenty-two".