210220121112002 has 16 divisors (see below), whose sum is σ = 323097544639800. Its totient is φ = 102522151992960.

The previous prime is 210220121111999. The next prime is 210220121112007. The reversal of 210220121112002 is 200211121022012.

It can be written as a sum of positive squares in 4 ways, for example, as 208901089534921 + 1319031577081 = 14453411^2 + 1148491^2 .

It is not an unprimeable number, because it can be changed into a prime (210220121112007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302757977 + ... + 303451532.

Almost surely, 2^{210220121112002} is an apocalyptic number.

210220121112002 is a deficient number, since it is larger than the sum of its proper divisors (112877423527798).

210220121112002 is a wasteful number, since it uses less digits than its factorization.

210220121112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606213781.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210220121112002 its reverse (200211121022012), we get a palindrome (410431242134014).

The spelling of 210220121112002 in words is "two hundred ten trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twelve thousand, two".