121100200220222 has 8 divisors (see below), whose sum is σ = 181674135847272. Its totient is φ = 60542154937800.

The previous prime is 121100200220179. The next prime is 121100200220249. The reversal of 121100200220222 is 222022002001121.

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 121100200220222.

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, 3972567104 + ... + 3972597587.

It is an arithmetic number, because the mean of its divisors is an integer number (22709266980909).

Almost surely, 2^{121100200220222} is an apocalyptic number.

121100200220222 is a deficient number, since it is larger than the sum of its proper divisors (60573935627050).

121100200220222 is an equidigital number, since it uses as much as digits as its factorization.

121100200220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7945172314.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121100200220222 its reverse (222022002001121), we get a palindrome (343122202221343).

The spelling of 121100200220222 in words is "one hundred twenty-one trillion, one hundred billion, two hundred million, two hundred twenty thousand, two hundred twenty-two".