100001121020212 has 12 divisors (see below), whose sum is σ = 175284679013920. Its totient is φ = 49919784159096.

The previous prime is 100001121020209. The next prime is 100001121020221. The reversal of 100001121020212 is 212020121100001.

It is a junction number, because it is equal to n+sod(n) for n = 100001121020192 and 100001121020201.

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, 20194084968 + ... + 20194089919.

Almost surely, 2^{100001121020212} is an apocalyptic number.

It is an amenable number.

100001121020212 is a deficient number, since it is larger than the sum of its proper divisors (75283557993708).

100001121020212 is a wasteful number, since it uses less digits than its factorization.

100001121020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40388175510 (or 40388175508 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100001121020212 its reverse (212020121100001), we get a palindrome (312021242120213).

The spelling of 100001121020212 in words is "one hundred trillion, one billion, one hundred twenty-one million, twenty thousand, two hundred twelve".