121102002221222 has 32 divisors (see below), whose sum is σ = 201131346516480. Its totient is φ = 54222965707680.

The previous prime is 121102002221203. The next prime is 121102002221293. The reversal of 121102002221222 is 222122200201121.

It is a junction number, because it is equal to n+sod(n) for n = 121102002221194 and 121102002221203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43259363 + ... + 45973649.

It is an arithmetic number, because the mean of its divisors is an integer number (6285354578640).

Almost surely, 2^{121102002221222} is an apocalyptic number.

121102002221222 is a deficient number, since it is larger than the sum of its proper divisors (80029344295258).

121102002221222 is a wasteful number, since it uses less digits than its factorization.

121102002221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744636.

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

Adding to 121102002221222 its reverse (222122200201121), we get a palindrome (343224202422343).

The spelling of 121102002221222 in words is "one hundred twenty-one trillion, one hundred two billion, two million, two hundred twenty-one thousand, two hundred twenty-two".