121001101220222 has 4 divisors (see below), whose sum is σ = 181501651830336. Its totient is φ = 60500550610110.

The previous prime is 121001101220221. The next prime is 121001101220249. The reversal of 121001101220222 is 222022101100121.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121001101220222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001101220221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30250275305054 + ... + 30250275305057.

It is an arithmetic number, because the mean of its divisors is an integer number (45375412957584).

Almost surely, 2^{121001101220222} is an apocalyptic number.

121001101220222 is a deficient number, since it is larger than the sum of its proper divisors (60500550610114).

121001101220222 is an equidigital number, since it uses as much as digits as its factorization.

121001101220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60500550610113.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121001101220222 its reverse (222022101100121), we get a palindrome (343023202320343).

The spelling of 121001101220222 in words is "one hundred twenty-one trillion, one billion, one hundred one million, two hundred twenty thousand, two hundred twenty-two".