101100210121212 has 24 divisors (see below), whose sum is σ = 236416683928656. Its totient is φ = 33626328091008.

The previous prime is 101100210121187. The next prime is 101100210121223. The reversal of 101100210121212 is 212121012001101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101100210121191 and 101100210121200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9217737963 + ... + 9217748930.

It is an arithmetic number, because the mean of its divisors is an integer number (9850695163694).

Almost surely, 2^{101100210121212} is an apocalyptic number.

101100210121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101100210121212 is an abundant number, since it is smaller than the sum of its proper divisors (135316473807444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101100210121212 is a wasteful number, since it uses less digits than its factorization.

101100210121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18435487357 (or 18435487355 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101100210121212 its reverse (212121012001101), we get a palindrome (313221222122313).

The spelling of 101100210121212 in words is "one hundred one trillion, one hundred billion, two hundred ten million, one hundred twenty-one thousand, two hundred twelve".