2111021101101 has 24 divisors (see below), whose sum is σ = 3093965189280. Its totient is φ = 1279354167520.

The previous prime is 2111021101073. The next prime is 2111021101103. The reversal of 2111021101101 is 1011011201112.

It is not a de Polignac number, because 2111021101101 - 2⁶ = 2111021101037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111021101103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9880066 + ... + 10091468.

It is an arithmetic number, because the mean of its divisors is an integer number (128915216220).

Almost surely, 2^{2111021101101} is an apocalyptic number.

It is an amenable number.

2111021101101 is a deficient number, since it is larger than the sum of its proper divisors (982944088179).

2111021101101 is a wasteful number, since it uses less digits than its factorization.

2111021101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238937 (or 238926 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 2111021101101 its reverse (1011011201112), we get a palindrome (3122032302213).

It can be divided in two parts, 2111021 and 101101, that added together give a palindrome (2212122).

The spelling of 2111021101101 in words is "two trillion, one hundred eleven billion, twenty-one million, one hundred one thousand, one hundred one".