2211021402 has 16 divisors (see below), whose sum is σ = 4422843840. Its totient is φ = 736873632.

The previous prime is 2211021367. The next prime is 2211021409. The reversal of 2211021402 is 2041201122.

It is not an unprimeable number, because it can be changed into a prime (2211021409) 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 7 ways as a sum of consecutive naturals, for example, 6099 + ... + 66777.

It is an arithmetic number, because the mean of its divisors is an integer number (276427740).

Almost surely, 2^2211021402 is an apocalyptic number.

2211021402 is an abundant number, since it is smaller than the sum of its proper divisors (2211822438).

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

2211021402 is a wasteful number, since it uses less digits than its factorization.

2211021402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66757.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2211021402 is about 47021.4993593356. The cubic root of 2211021402 is about 1302.7596999608.

Adding to 2211021402 its reverse (2041201122), we get a palindrome (4252222524).

The spelling of 2211021402 in words is "two billion, two hundred eleven million, twenty-one thousand, four hundred two".