121222122100102 has 8 divisors (see below), whose sum is σ = 183264940498176. Its totient is φ = 60133808600712.

The previous prime is 121222122099977. The next prime is 121222122100103. The reversal of 121222122100102 is 201001221222121.

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 121222122100102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222122100103) 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, 238626224353 + ... + 238626224860.

It is an arithmetic number, because the mean of its divisors is an integer number (22908117562272).

Almost surely, 2^{121222122100102} is an apocalyptic number.

121222122100102 is a deficient number, since it is larger than the sum of its proper divisors (62042818398074).

121222122100102 is a wasteful number, since it uses less digits than its factorization.

121222122100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477252449342.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121222122100102 its reverse (201001221222121), we get a palindrome (322223343322223).

The spelling of 121222122100102 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred thousand, one hundred two".