11212013101 has 8 divisors (see below), whose sum is σ = 11491974144. Its totient is φ = 10934586000.

The previous prime is 11212013081. The next prime is 11212013149. The reversal of 11212013101 is 10131021211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11212013101 - 2¹⁵ = 11211980333 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 (11212013201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624525 + ... + 642226.

It is an arithmetic number, because the mean of its divisors is an integer number (1436496768).

Almost surely, 2^11212013101 is an apocalyptic number.

It is an amenable number.

11212013101 is a deficient number, since it is larger than the sum of its proper divisors (279961043).

11212013101 is a wasteful number, since it uses less digits than its factorization.

11212013101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266971.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11212013101 its reverse (10131021211), we get a palindrome (21343034312).

The spelling of 11212013101 in words is "eleven billion, two hundred twelve million, thirteen thousand, one hundred one".