222011210212210 has 32 divisors (see below), whose sum is σ = 405333558123120. Its totient is φ = 87543115414272.

The previous prime is 222011210212201. The next prime is 222011210212219. The reversal of 222011210212210 is 12212012110222.

It is an interprime number because it is at equal distance from previous prime (222011210212201) and next prime (222011210212219).

It can be written as a sum of positive squares in 8 ways, for example, as 194411180945881 + 27600029266329 = 13943141^2 + 5253573^2 .

It is not an unprimeable number, because it can be changed into a prime (222011210212219) 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, 516739609 + ... + 517169068.

Almost surely, 2^{222011210212210} is an apocalyptic number.

222011210212210 is a deficient number, since it is larger than the sum of its proper divisors (183322347910910).

222011210212210 is a wasteful number, since it uses less digits than its factorization.

222011210212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033908990.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222011210212210 its reverse (12212012110222), we get a palindrome (234223222322432).

The spelling of 222011210212210 in words is "two hundred twenty-two trillion, eleven billion, two hundred ten million, two hundred twelve thousand, two hundred ten".