200221011200121 has 32 divisors (see below), whose sum is σ = 283292882334720. Its totient is φ = 125511808217664.

The previous prime is 200221011200113. The next prime is 200221011200123. The reversal of 200221011200121 is 121002110122002.

It is not a de Polignac number, because 200221011200121 - 2³ = 200221011200113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200221011200121.

It is not an unprimeable number, because it can be changed into a prime (200221011200123) 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, 497547831 + ... + 497950083.

It is an arithmetic number, because the mean of its divisors is an integer number (8852902572960).

Almost surely, 2^{200221011200121} is an apocalyptic number.

It is an amenable number.

200221011200121 is a deficient number, since it is larger than the sum of its proper divisors (83071871134599).

200221011200121 is a wasteful number, since it uses less digits than its factorization.

200221011200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524605.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200221011200121 its reverse (121002110122002), we get a palindrome (321223121322123).

The spelling of 200221011200121 in words is "two hundred trillion, two hundred twenty-one billion, eleven million, two hundred thousand, one hundred twenty-one".