121210202221222 has 8 divisors (see below), whose sum is σ = 192510321174936. Its totient is φ = 57040095162912.

The previous prime is 121210202221217. The next prime is 121210202221223. The reversal of 121210202221222 is 222122202012121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121210202221193 and 121210202221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210202221223) 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, 1782502973808 + ... + 1782502973875.

It is an arithmetic number, because the mean of its divisors is an integer number (24063790146867).

Almost surely, 2^{121210202221222} is an apocalyptic number.

121210202221222 is a deficient number, since it is larger than the sum of its proper divisors (71300118953714).

121210202221222 is a wasteful number, since it uses less digits than its factorization.

121210202221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565005947702.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 121210202221222 its reverse (222122202012121), we get a palindrome (343332404233343).

The spelling of 121210202221222 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred two million, two hundred twenty-one thousand, two hundred twenty-two".