121310120222 has 4 divisors (see below), whose sum is σ = 181965180336. Its totient is φ = 60655060110.

The previous prime is 121310120221. The next prime is 121310120273. The reversal of 121310120222 is 222021013121.

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

It is a super-2 number, since 2×121310120222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121310120222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121310120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30327530054 + ... + 30327530057.

It is an arithmetic number, because the mean of its divisors is an integer number (45491295084).

Almost surely, 2^121310120222 is an apocalyptic number.

121310120222 is a deficient number, since it is larger than the sum of its proper divisors (60655060114).

121310120222 is an equidigital number, since it uses as much as digits as its factorization.

121310120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60655060113.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121310120222 its reverse (222021013121), we get a palindrome (343331133343).

The spelling of 121310120222 in words is "one hundred twenty-one billion, three hundred ten million, one hundred twenty thousand, two hundred twenty-two".