2211551116 has 12 divisors (see below), whose sum is σ = 3872300488. Its totient is φ = 1105179552.

The previous prime is 2211551101. The next prime is 2211551117. The reversal of 2211551116 is 6111551122.

It is not an unprimeable number, because it can be changed into a prime (2211551117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140601 + ... + 155536.

Almost surely, 2^2211551116 is an apocalyptic number.

It is an amenable number.

2211551116 is a deficient number, since it is larger than the sum of its proper divisors (1660749372).

2211551116 is a wasteful number, since it uses less digits than its factorization.

2211551116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298008 (or 298006 counting only the distinct ones).

The product of its digits is 600, while the sum is 25.

The square root of 2211551116 is about 47027.1317007533. The cubic root of 2211551116 is about 1302.8637295506.

The spelling of 2211551116 in words is "two billion, two hundred eleven million, five hundred fifty-one thousand, one hundred sixteen".