11121210101 has 8 divisors (see below), whose sum is σ = 11235940704. Its totient is φ = 11006679600.

The previous prime is 11121210097. The next prime is 11121210143. The reversal of 11121210101 is 10101212111.

11121210101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11121210101 - 2² = 11121210097 is a prime.

It is a super-2 number, since 2×11121210101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121210151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63011 + ... + 161903.

It is an arithmetic number, because the mean of its divisors is an integer number (1404492588).

Almost surely, 2^11121210101 is an apocalyptic number.

It is an amenable number.

11121210101 is a deficient number, since it is larger than the sum of its proper divisors (114730603).

11121210101 is a wasteful number, since it uses less digits than its factorization.

11121210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100051.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11121210101 its reverse (10101212111), we get a palindrome (21222422212).

The spelling of 11121210101 in words is "eleven billion, one hundred twenty-one million, two hundred ten thousand, one hundred one".