121210012220222 has 8 divisors (see below), whose sum is σ = 189720019127376. Its totient is φ = 57970005844432.

The previous prime is 121210012220189. The next prime is 121210012220237. The reversal of 121210012220222 is 222022210012121.

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 = 121210012220194 and 121210012220203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317500132783 + ... + 1317500132874.

It is an arithmetic number, because the mean of its divisors is an integer number (23715002390922).

Almost surely, 2^{121210012220222} is an apocalyptic number.

121210012220222 is a deficient number, since it is larger than the sum of its proper divisors (68510006907154).

121210012220222 is a wasteful number, since it uses less digits than its factorization.

121210012220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635000265682.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121210012220222 its reverse (222022210012121), we get a palindrome (343232222232343).

The spelling of 121210012220222 in words is "one hundred twenty-one trillion, two hundred ten billion, twelve million, two hundred twenty thousand, two hundred twenty-two".