100121021102212 has 48 divisors (see below), whose sum is σ = 191513312020800. Its totient is φ = 45420743260160.

The previous prime is 100121021102203. The next prime is 100121021102269. The reversal of 100121021102212 is 212201120121001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98093964 + ... + 99109372.

It is an arithmetic number, because the mean of its divisors is an integer number (3989860667100).

Almost surely, 2^{100121021102212} is an apocalyptic number.

It is an amenable number.

100121021102212 is a deficient number, since it is larger than the sum of its proper divisors (91392290918588).

100121021102212 is a wasteful number, since it uses less digits than its factorization.

100121021102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019796 (or 1019794 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100121021102212 its reverse (212201120121001), we get a palindrome (312322141223213).

The spelling of 100121021102212 in words is "one hundred trillion, one hundred twenty-one billion, twenty-one million, one hundred two thousand, two hundred twelve".