200101111221 has 16 divisors (see below), whose sum is σ = 293937910848. Its totient is φ = 120072672000.

The previous prime is 200101111219. The next prime is 200101111229. The reversal of 200101111221 is 122111101002.

It is not a de Polignac number, because 200101111221 - 2¹ = 200101111219 is a prime.

It is a super-2 number, since 2×200101111221² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200101111197 and 200101111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101111229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30014836 + ... + 30021501.

It is an arithmetic number, because the mean of its divisors is an integer number (18371119428).

Almost surely, 2^200101111221 is an apocalyptic number.

It is an amenable number.

200101111221 is a deficient number, since it is larger than the sum of its proper divisors (93836799627).

200101111221 is a wasteful number, since it uses less digits than its factorization.

200101111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60036452.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 200101111221 its reverse (122111101002), we get a palindrome (322212212223).

The spelling of 200101111221 in words is "two hundred billion, one hundred one million, one hundred eleven thousand, two hundred twenty-one".