201021021002010 has 64 divisors (see below), whose sum is σ = 527123044306944. Its totient is φ = 48657048168000.

The previous prime is 201021021001963. The next prime is 201021021002017. The reversal of 201021021002010 is 10200120120102.

It is not an unprimeable number, because it can be changed into a prime (201021021002017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470539666 + ... + 470966685.

It is an arithmetic number, because the mean of its divisors is an integer number (8236297567296).

Almost surely, 2^{201021021002010} is an apocalyptic number.

201021021002010 is an abundant number, since it is smaller than the sum of its proper divisors (326102023304934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201021021002010 is a wasteful number, since it uses less digits than its factorization.

201021021002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941507019.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201021021002010 its reverse (10200120120102), we get a palindrome (211221141122112).

The spelling of 201021021002010 in words is "two hundred one trillion, twenty-one billion, twenty-one million, two thousand, ten".