201021022010 has 32 divisors (see below), whose sum is σ = 383662146240. Its totient is φ = 75620345472.

The previous prime is 201021022009. The next prime is 201021022043. The reversal of 201021022010 is 10220120102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201021021982 and 201021022000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3835304 + ... + 3887363.

It is an arithmetic number, because the mean of its divisors is an integer number (11989442070).

Almost surely, 2^201021022010 is an apocalyptic number.

201021022010 is a deficient number, since it is larger than the sum of its proper divisors (182641124230).

201021022010 is a wasteful number, since it uses less digits than its factorization.

201021022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7722830.

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

Adding to 201021022010 its reverse (10220120102), we get a palindrome (211241142112).

The spelling of 201021022010 in words is "two hundred one billion, twenty-one million, twenty-two thousand, ten".