2122011001 has 12 divisors (see below), whose sum is σ = 2334841600. Its totient is φ = 1927130040.

The previous prime is 2122010993. The next prime is 2122011049. The reversal of 2122011001 is 1001102212.

It is not a de Polignac number, because 2122011001 - 2³ = 2122010993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122011061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117280 + ... + 134158.

Almost surely, 2^2122011001 is an apocalyptic number.

It is an amenable number.

2122011001 is a deficient number, since it is larger than the sum of its proper divisors (212830599).

2122011001 is a wasteful number, since it uses less digits than its factorization.

2122011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17940 (or 17929 counting only the distinct ones).

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

The square root of 2122011001 is about 46065.2906318847. The cubic root of 2122011001 is about 1285.0377236121.

Adding to 2122011001 its reverse (1001102212), we get a palindrome (3123113213).

It can be divided in two parts, 21 and 22011001, that added together give a palindrome (22011022).

The spelling of 2122011001 in words is "two billion, one hundred twenty-two million, eleven thousand, one".