222121101110002 has 32 divisors (see below), whose sum is σ = 348254645281200. Its totient is φ = 106116057858048.

The previous prime is 222121101109997. The next prime is 222121101110087. The reversal of 222121101110002 is 200011101121222.

It can be written as a sum of positive squares in 8 ways, for example, as 197337341477761 + 24783759632241 = 14047681^2 + 4978329^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62364324 + ... + 65829712.

Almost surely, 2^{222121101110002} is an apocalyptic number.

222121101110002 is a deficient number, since it is larger than the sum of its proper divisors (126133544171198).

222121101110002 is a wasteful number, since it uses less digits than its factorization.

222121101110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476910.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222121101110002 its reverse (200011101121222), we get a palindrome (422132202231224).

The spelling of 222121101110002 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred one million, one hundred ten thousand, two".