4011221022 has 32 divisors (see below), whose sum is σ = 8374786560. Its totient is φ = 1278398880.

The previous prime is 4011221017. The next prime is 4011221051. The reversal of 4011221022 is 2201221104.

4011221022 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4011220992 and 4011221010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435804 + ... + 444912.

It is an arithmetic number, because the mean of its divisors is an integer number (261712080).

Almost surely, 2^4011221022 is an apocalyptic number.

4011221022 is an abundant number, since it is smaller than the sum of its proper divisors (4363565538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4011221022 is a wasteful number, since it uses less digits than its factorization.

4011221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12328.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 4011221022 is about 63334.2010449331. The cubic root of 4011221022 is about 1588.8840213061.

Adding to 4011221022 its reverse (2201221104), we get a palindrome (6212442126).

The spelling of 4011221022 in words is "four billion, eleven million, two hundred twenty-one thousand, twenty-two".