2921161101 has 16 divisors (see below), whose sum is σ = 3913096320. Its totient is φ = 1938355200.

The previous prime is 2921161043. The next prime is 2921161127. The reversal of 2921161101 is 1011611292.

It is a happy number.

2921161101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2921161101 - 2⁷ = 2921160973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921161141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645021 + ... + 649533.

It is an arithmetic number, because the mean of its divisors is an integer number (244568520).

Almost surely, 2^2921161101 is an apocalyptic number.

It is an amenable number.

2921161101 is a deficient number, since it is larger than the sum of its proper divisors (991935219).

2921161101 is a wasteful number, since it uses less digits than its factorization.

2921161101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 2921161101 is about 54047.7668456339. The cubic root of 2921161101 is about 1429.5033241782.

Adding to 2921161101 its reverse (1011611292), we get a palindrome (3932772393).

The spelling of 2921161101 in words is "two billion, nine hundred twenty-one million, one hundred sixty-one thousand, one hundred one".