2122101011 has 4 divisors (see below), whose sum is σ = 2122741800. Its totient is φ = 2121460224.

The previous prime is 2122100993. The next prime is 2122101017. The reversal of 2122101011 is 1101012212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122101011 - 2⁶ = 2122100947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122100983 and 2122101001.

It is not an unprimeable number, because it can be changed into a prime (2122101017) 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, 315401 + ... + 322058.

It is an arithmetic number, because the mean of its divisors is an integer number (530685450).

Almost surely, 2^2122101011 is an apocalyptic number.

2122101011 is a deficient number, since it is larger than the sum of its proper divisors (640789).

2122101011 is an equidigital number, since it uses as much as digits as its factorization.

2122101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640788.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2122101011 is about 46066.2676043979. The cubic root of 2122101011 is about 1285.0558926366.

Adding to 2122101011 its reverse (1101012212), we get a palindrome (3223113223).

The spelling of 2122101011 in words is "two billion, one hundred twenty-two million, one hundred one thousand, eleven".