202001121010 has 32 divisors (see below), whose sum is σ = 401121936432. Its totient is φ = 72765880320.

The previous prime is 202001120989. The next prime is 202001121053. The reversal of 202001121010 is 10121100202.

It can be written as a sum of positive squares in 8 ways, for example, as 3908529 + 201997212481 = 1977^2 + 449441^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 18944119 + ... + 18954778.

Almost surely, 2^202001121010 is an apocalyptic number.

202001121010 is a deficient number, since it is larger than the sum of its proper divisors (199120815422).

202001121010 is a wasteful number, since it uses less digits than its factorization.

202001121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37898958.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 202001121010 its reverse (10121100202), we get a palindrome (212122221212).

The spelling of 202001121010 in words is "two hundred two billion, one million, one hundred twenty-one thousand, ten".