2211156129 has 64 divisors (see below), whose sum is σ = 3812143104. Its totient is φ = 1108014336.

The previous prime is 2211156113. The next prime is 2211156133. The reversal of 2211156129 is 9216511122.

It is not a de Polignac number, because 2211156129 - 2⁴ = 2211156113 is a prime.

It is a super-2 number, since 2×2211156129² = 9778422853628529282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211156096 and 2211156105.

It is not an unprimeable number, because it can be changed into a prime (2211156109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 984682 + ... + 986924.

It is an arithmetic number, because the mean of its divisors is an integer number (59564736).

Almost surely, 2^2211156129 is an apocalyptic number.

It is an amenable number.

2211156129 is a deficient number, since it is larger than the sum of its proper divisors (1600986975).

2211156129 is a wasteful number, since it uses less digits than its factorization.

2211156129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446.

The product of its digits is 2160, while the sum is 30.

The square root of 2211156129 is about 47022.9319481463. The cubic root of 2211156129 is about 1302.7861603320.

The spelling of 2211156129 in words is "two billion, two hundred eleven million, one hundred fifty-six thousand, one hundred twenty-nine".