2102220222002 has 16 divisors (see below), whose sum is σ = 3155304945240. Its totient is φ = 1050452063232.

The previous prime is 2102220221993. The next prime is 2102220222043. The reversal of 2102220222002 is 2002220222012.

It can be written as a sum of positive squares in 4 ways, for example, as 2095224405121 + 6995816881 = 1447489^2 + 83641^2 .

It is a super-3 number, since 3×2102220222002³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30515348 + ... + 30584160.

Almost surely, 2^{2102220222002} is an apocalyptic number.

2102220222002 is a deficient number, since it is larger than the sum of its proper divisors (1053084723238).

2102220222002 is a wasteful number, since it uses less digits than its factorization.

2102220222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78157.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2102220222002 its reverse (2002220222012), we get a palindrome (4104440444014).

The spelling of 2102220222002 in words is "two trillion, one hundred two billion, two hundred twenty million, two hundred twenty-two thousand, two".