4011221010 has 16 divisors (see below), whose sum is σ = 9626930496. Its totient is φ = 1069658928.

The previous prime is 4011220991. The next prime is 4011221017. The reversal of 4011221010 is 101221104.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4011221017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66853654 + ... + 66853713.

It is an arithmetic number, because the mean of its divisors is an integer number (601683156).

Almost surely, 2^4011221010 is an apocalyptic number.

4011221010 is an abundant number, since it is smaller than the sum of its proper divisors (5615709486).

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

4011221010 is a wasteful number, since it uses less digits than its factorization.

4011221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133707377.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 4011221010 is about 63334.2009501975. The cubic root of 4011221010 is about 1588.8840197216.

Adding to 4011221010 its reverse (101221104), we get a palindrome (4112442114).

The spelling of 4011221010 in words is "four billion, eleven million, two hundred twenty-one thousand, ten".