201012022021000 has 32 divisors (see below), whose sum is σ = 470368131531480. Its totient is φ = 80404808808000.

The previous prime is 201012022020991. The next prime is 201012022021009. The reversal of 201012022021000 is 120220210102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201012022020991) and next prime (201012022021009).

It can be written as a sum of positive squares in 4 ways, for example, as 37429507977156 + 163582514043844 = 6117966^2 + 12789938^2 .

It is not an unprimeable number, because it can be changed into a prime (201012022021009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100506010011 + ... + 100506012010.

Almost surely, 2^{201012022021000} is an apocalyptic number.

201012022021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201012022021000 is an abundant number, since it is smaller than the sum of its proper divisors (269356109510480).

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

201012022021000 is a wasteful number, since it uses less digits than its factorization.

201012022021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201012022042 (or 201012022028 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201012022021000 its reverse (120220210102), we get a palindrome (201132242231102).

The spelling of 201012022021000 in words is "two hundred one trillion, twelve billion, twenty-two million, twenty-one thousand".