200111211022101 has 32 divisors (see below), whose sum is σ = 278070391132800. Its totient is φ = 127848711432960.

The previous prime is 200111211022033. The next prime is 200111211022117. The reversal of 200111211022101 is 101220112111002.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-200111211022101 is a prime.

It is a super-2 number, since 2×200111211022101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200111211022141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46568295 + ... + 50683611.

It is an arithmetic number, because the mean of its divisors is an integer number (8689699722900).

Almost surely, 2^{200111211022101} is an apocalyptic number.

It is an amenable number.

200111211022101 is a deficient number, since it is larger than the sum of its proper divisors (77959180110699).

200111211022101 is a wasteful number, since it uses less digits than its factorization.

200111211022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119509.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200111211022101 its reverse (101220112111002), we get a palindrome (301331323133103).

The spelling of 200111211022101 in words is "two hundred trillion, one hundred eleven billion, two hundred eleven million, twenty-two thousand, one hundred one".