2111121121101 has 8 divisors (see below), whose sum is σ = 2814885968160. Its totient is φ = 1407385177392.

The previous prime is 2111121121049. The next prime is 2111121121117. The reversal of 2111121121101 is 1011211211112.

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

It is not a de Polignac number, because 2111121121101 - 2¹¹ = 2111121119053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111121121121) 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, 7054830 + ... + 7347983.

It is an arithmetic number, because the mean of its divisors is an integer number (351860746020).

Almost surely, 2^{2111121121101} is an apocalyptic number.

It is an amenable number.

2111121121101 is a deficient number, since it is larger than the sum of its proper divisors (703764847059).

2111121121101 is a wasteful number, since it uses less digits than its factorization.

2111121121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14451675.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 2111121121101 its reverse (1011211211112), we get a palindrome (3122332332213).

The spelling of 2111121121101 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred one".