201001220122010 has 64 divisors (see below), whose sum is σ = 457431275096064. Its totient is φ = 61767340353600.

The previous prime is 201001220121991. The next prime is 201001220122013. The reversal of 201001220122010 is 10221022100102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (201001220122013) 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, 1838259032 + ... + 1838368371.

It is an arithmetic number, because the mean of its divisors is an integer number (7147363673376).

Almost surely, 2^{201001220122010} is an apocalyptic number.

201001220122010 is an abundant number, since it is smaller than the sum of its proper divisors (256430054974054).

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

201001220122010 is a wasteful number, since it uses less digits than its factorization.

201001220122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676627499.

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

Adding to 201001220122010 its reverse (10221022100102), we get a palindrome (211222242222112).

The spelling of 201001220122010 in words is "two hundred one trillion, one billion, two hundred twenty million, one hundred twenty-two thousand, ten".