201012221021000 has 64 divisors (see below), whose sum is σ = 470636008128000. Its totient is φ = 80359177137600.

The previous prime is 201012221020999. The next prime is 201012221021039. The reversal of 201012221021000 is 120122210102.

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, 55379210 + ... + 58897209.

It is an arithmetic number, because the mean of its divisors is an integer number (7353687627000).

Almost surely, 2^{201012221021000} is an apocalyptic number.

201012221021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201012221021000 is an abundant number, since it is smaller than the sum of its proper divisors (269623787107000).

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

201012221021000 is a wasteful number, since it uses less digits than its factorization.

201012221021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114278199 (or 114278185 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201012221021000 its reverse (120122210102), we get a palindrome (201132343231102).

The spelling of 201012221021000 in words is "two hundred one trillion, twelve billion, two hundred twenty-one million, twenty-one thousand".