201002212122010 has 16 divisors (see below), whose sum is σ = 389635057344456. Its totient is φ = 74216201398848.

The previous prime is 201002212122001. The next prime is 201002212122071. The reversal of 201002212122010 is 10221212200102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 94349148795801 + 106653063326209 = 9713349^2 + 10327297^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773085431109 + ... + 773085431368.

Almost surely, 2^{201002212122010} is an apocalyptic number.

201002212122010 is a deficient number, since it is larger than the sum of its proper divisors (188632845222446).

201002212122010 is a wasteful number, since it uses less digits than its factorization.

201002212122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546170862497.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201002212122010 its reverse (10221212200102), we get a palindrome (211223424322112).

The spelling of 201002212122010 in words is "two hundred one trillion, two billion, two hundred twelve million, one hundred twenty-two thousand, ten".