100212011135 has 4 divisors (see below), whose sum is σ = 120254413368. Its totient is φ = 80169608904.

The previous prime is 100212011131. The next prime is 100212011147. The reversal of 100212011135 is 531110212001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100212011135 - 2² = 100212011131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212011131) 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, 10021201109 + ... + 10021201118.

It is an arithmetic number, because the mean of its divisors is an integer number (30063603342).

Almost surely, 2^100212011135 is an apocalyptic number.

100212011135 is a deficient number, since it is larger than the sum of its proper divisors (20042402233).

100212011135 is an equidigital number, since it uses as much as digits as its factorization.

100212011135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20042402232.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 100212011135 its reverse (531110212001), we get a palindrome (631322223136).

The spelling of 100212011135 in words is "one hundred billion, two hundred twelve million, eleven thousand, one hundred thirty-five".