100021011101212 has 12 divisors (see below), whose sum is σ = 175036845909240. Its totient is φ = 50010483698576.

The previous prime is 100021011101191. The next prime is 100021011101233. The reversal of 100021011101212 is 212101110120001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100021011101191) and next prime (100021011101233).

It is a junction number, because it is equal to n+sod(n) for n = 100021011101192 and 100021011101201.

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, 9221343 + ... + 16884169.

It is an arithmetic number, because the mean of its divisors is an integer number (14586403825770).

Almost surely, 2^{100021011101212} is an apocalyptic number.

It is an amenable number.

100021011101212 is a deficient number, since it is larger than the sum of its proper divisors (75015834808028).

100021011101212 is a wasteful number, since it uses less digits than its factorization.

100021011101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10926020 (or 10926018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100021011101212 its reverse (212101110120001), we get a palindrome (312122121221213).

The spelling of 100021011101212 in words is "one hundred trillion, twenty-one billion, eleven million, one hundred one thousand, two hundred twelve".