2011221302 has 8 divisors (see below), whose sum is σ = 3038536200. Its totient is φ = 998375904.

The previous prime is 2011221293. The next prime is 2011221353. The reversal of 2011221302 is 2031221102.

It is a happy number.

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

It is a super-2 number, since 2×2011221302² = 8090022251237150408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3617027 + ... + 3617582.

It is an arithmetic number, because the mean of its divisors is an integer number (379817025).

Almost surely, 2^2011221302 is an apocalyptic number.

2011221302 is a deficient number, since it is larger than the sum of its proper divisors (1027314898).

2011221302 is a wasteful number, since it uses less digits than its factorization.

2011221302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234750.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2011221302 is about 44846.6420370578. The cubic root of 2011221302 is about 1262.2729825056.

Adding to 2011221302 its reverse (2031221102), we get a palindrome (4042442404).

It can be divided in two parts, 20112 and 21302, that added together give a palindrome (41414).

The spelling of 2011221302 in words is "two billion, eleven million, two hundred twenty-one thousand, three hundred two".