2122101110011 has 4 divisors (see below), whose sum is σ = 2124356266224. Its totient is φ = 2119845953800.

The previous prime is 2122101109991. The next prime is 2122101110023. The reversal of 2122101110011 is 1100111012212.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122101110011 is a prime.

It is a super-2 number, since 2×2122101110011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122101109973 and 2122101110000.

It is not an unprimeable number, because it can be changed into a prime (2122101110081) 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, 1127576695 + ... + 1127578576.

It is an arithmetic number, because the mean of its divisors is an integer number (531089066556).

Almost surely, 2^{2122101110011} is an apocalyptic number.

2122101110011 is a deficient number, since it is larger than the sum of its proper divisors (2255156213).

2122101110011 is an equidigital number, since it uses as much as digits as its factorization.

2122101110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255156212.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2122101110011 its reverse (1100111012212), we get a palindrome (3222212122223).

The spelling of 2122101110011 in words is "two trillion, one hundred twenty-two billion, one hundred one million, one hundred ten thousand, eleven".