121202221111222 has 8 divisors (see below), whose sum is σ = 181808699290272. Its totient is φ = 60599321347800.

The previous prime is 121202221111211. The next prime is 121202221111249. The reversal of 121202221111222 is 222111122202121.

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 = 121202221111193 and 121202221111202.

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, 894519229 + ... + 894654712.

It is an arithmetic number, because the mean of its divisors is an integer number (22726087411284).

Almost surely, 2^{121202221111222} is an apocalyptic number.

121202221111222 is a deficient number, since it is larger than the sum of its proper divisors (60606478179050).

121202221111222 is a wasteful number, since it uses less digits than its factorization.

121202221111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789207814.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 121202221111222 its reverse (222111122202121), we get a palindrome (343313343313343).

The spelling of 121202221111222 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twenty-two".