201001112212220 has 24 divisors (see below), whose sum is σ = 422103960253584. Its totient is φ = 80400135435776.

The previous prime is 201001112212181. The next prime is 201001112212231. The reversal of 201001112212220 is 22212211100102.

It is a super-2 number, since 2×201001112212220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13978037 + ... + 24441516.

It is an arithmetic number, because the mean of its divisors is an integer number (17587665010566).

Almost surely, 2^{201001112212220} is an apocalyptic number.

201001112212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001112212220 is an abundant number, since it is smaller than the sum of its proper divisors (221102848041364).

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

201001112212220 is a wasteful number, since it uses less digits than its factorization.

201001112212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38681149 (or 38681147 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201001112212220 its reverse (22212211100102), we get a palindrome (223213323312322).

The spelling of 201001112212220 in words is "two hundred one trillion, one billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty".