2102022011 has 4 divisors (see below), whose sum is σ = 2102182872. Its totient is φ = 2101861152.

The previous prime is 2102022007. The next prime is 2102022023. The reversal of 2102022011 is 1102202012.

It is a happy number.

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 2102022011 - 2² = 2102022007 is a prime.

It is a super-3 number, since 3×2102022011³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102021983 and 2102022001.

It is not an unprimeable number, because it can be changed into a prime (2102022211) 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, 58910 + ... + 87603.

It is an arithmetic number, because the mean of its divisors is an integer number (525545718).

Almost surely, 2^2102022011 is an apocalyptic number.

2102022011 is a deficient number, since it is larger than the sum of its proper divisors (160861).

2102022011 is a wasteful number, since it uses less digits than its factorization.

2102022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160860.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2102022011 is about 45847.8135901812. The cubic root of 2102022011 is about 1280.9900403115.

Adding to 2102022011 its reverse (1102202012), we get a palindrome (3204224023).

The spelling of 2102022011 in words is "two billion, one hundred two million, twenty-two thousand, eleven".