121420300222 has 16 divisors (see below), whose sum is σ = 197314985952. Its totient is φ = 55704566880.

The previous prime is 121420300213. The next prime is 121420300237. The reversal of 121420300222 is 222003024121.

It is a super-2 number, since 2×121420300222² (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 121420300222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13977729 + ... + 13986412.

It is an arithmetic number, because the mean of its divisors is an integer number (12332186622).

Almost surely, 2^121420300222 is an apocalyptic number.

121420300222 is a deficient number, since it is larger than the sum of its proper divisors (75894685730).

121420300222 is a wasteful number, since it uses less digits than its factorization.

121420300222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27964323.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 121420300222 its reverse (222003024121), we get a palindrome (343423324343).

The spelling of 121420300222 in words is "one hundred twenty-one billion, four hundred twenty million, three hundred thousand, two hundred twenty-two".