121102021111222 has 8 divisors (see below), whose sum is σ = 185877520775496. Its totient is φ = 59142847519392.

The previous prime is 121102021111199. The next prime is 121102021111223. The reversal of 121102021111222 is 222111120201121.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121102021111222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102021111223) 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, 704081518003 + ... + 704081518174.

It is an arithmetic number, because the mean of its divisors is an integer number (23234690096937).

Almost surely, 2^{121102021111222} is an apocalyptic number.

121102021111222 is a deficient number, since it is larger than the sum of its proper divisors (64775499664274).

121102021111222 is a wasteful number, since it uses less digits than its factorization.

121102021111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408163036222.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121102021111222 its reverse (222111120201121), we get a palindrome (343213141312343).

The spelling of 121102021111222 in words is "one hundred twenty-one trillion, one hundred two billion, twenty-one million, one hundred eleven thousand, two hundred twenty-two".