2100122011 has 8 divisors (see below), whose sum is σ = 2262075984. Its totient is φ = 1938226080.

The previous prime is 2100121999. The next prime is 2100122039. The reversal of 2100122011 is 1102210012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100122011 is a prime.

It is a super-2 number, since 2×2100122011² = 8821024922173368242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100122411) 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, 86976 + ... + 108466.

It is an arithmetic number, because the mean of its divisors is an integer number (282759498).

Almost surely, 2^2100122011 is an apocalyptic number.

2100122011 is a deficient number, since it is larger than the sum of its proper divisors (161953973).

2100122011 is a wasteful number, since it uses less digits than its factorization.

2100122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29021.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2100122011 is about 45827.0881793727. The cubic root of 2100122011 is about 1280.6039652603.

Adding to 2100122011 its reverse (1102210012), we get a palindrome (3202332023).

The spelling of 2100122011 in words is "two billion, one hundred million, one hundred twenty-two thousand, eleven".