121013201213222 has 4 divisors (see below), whose sum is σ = 181519801819836. Its totient is φ = 60506600606610.

The previous prime is 121013201213221. The next prime is 121013201213231. The reversal of 121013201213222 is 222312102310121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013201213221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30253300303304 + ... + 30253300303307.

It is an arithmetic number, because the mean of its divisors is an integer number (45379950454959).

Almost surely, 2^{121013201213222} is an apocalyptic number.

121013201213222 is a deficient number, since it is larger than the sum of its proper divisors (60506600606614).

121013201213222 is an equidigital number, since it uses as much as digits as its factorization.

121013201213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60506600606613.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121013201213222 its reverse (222312102310121), we get a palindrome (343325303523343).

The spelling of 121013201213222 in words is "one hundred twenty-one trillion, thirteen billion, two hundred one million, two hundred thirteen thousand, two hundred twenty-two".