1000201220210 has 16 divisors (see below), whose sum is σ = 1806861703896. Its totient is φ = 398636153088.

The previous prime is 1000201220203. The next prime is 1000201220219. The reversal of 1000201220210 is 120221020001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 827101121401 + 173100098809 = 909451^2 + 416053^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1000201220191 and 1000201220200.

It is not an unprimeable number, because it can be changed into a prime (1000201220219) 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, 180538967 + ... + 180544506.

Almost surely, 2^{1000201220210} is an apocalyptic number.

1000201220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000201220210 is a deficient number, since it is larger than the sum of its proper divisors (806660483686).

1000201220210 is a wasteful number, since it uses less digits than its factorization.

1000201220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361083757.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1000201220210 its reverse (120221020001), we get a palindrome (1120422240211).

The spelling of 1000201220210 in words is "one trillion, two hundred one million, two hundred twenty thousand, two hundred ten".