121001220002122 has 8 divisors (see below), whose sum is σ = 181760748450372. Its totient is φ = 60414303852000.

The previous prime is 121001220002119. The next prime is 121001220002123. The reversal of 121001220002122 is 221200022100121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120341975062401 + 659244939721 = 10970049^2 + 811939^2 .

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 = 121001220002096 and 121001220002105.

It is not an unprimeable number, because it can be changed into a prime (121001220002123) 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, 43153072779 + ... + 43153075582.

Almost surely, 2^{121001220002122} is an apocalyptic number.

121001220002122 is a deficient number, since it is larger than the sum of its proper divisors (60759528448250).

121001220002122 is an equidigital number, since it uses as much as digits as its factorization.

121001220002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86306149064.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121001220002122 its reverse (221200022100121), we get a palindrome (342201242102243).

The spelling of 121001220002122 in words is "one hundred twenty-one trillion, one billion, two hundred twenty million, two thousand, one hundred twenty-two".