2901221102 has 16 divisors (see below), whose sum is σ = 4691016960. Its totient is φ = 1337759712.

The previous prime is 2901221047. The next prime is 2901221107. The reversal of 2901221102 is 2011221092.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2901221107) 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, 24398 + ... + 79985.

It is an arithmetic number, because the mean of its divisors is an integer number (293188560).

Almost surely, 2^2901221102 is an apocalyptic number.

2901221102 is a deficient number, since it is larger than the sum of its proper divisors (1789795858).

2901221102 is a wasteful number, since it uses less digits than its factorization.

2901221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105467.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2901221102 is about 53862.9845255534. The cubic root of 2901221102 is about 1426.2432735547.

Adding to 2901221102 its reverse (2011221092), we get a palindrome (4912442194).

The spelling of 2901221102 in words is "two billion, nine hundred one million, two hundred twenty-one thousand, one hundred two".