200101100222121 has 32 divisors (see below), whose sum is σ = 307341880876800. Its totient is φ = 113437092577536.

The previous prime is 200101100222033. The next prime is 200101100222137. The reversal of 200101100222121 is 121222001101002.

It is not a de Polignac number, because 200101100222121 - 2¹⁸ = 200101099959977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200101100222121.

It is not an unprimeable number, because it can be changed into a prime (200101100220121) 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, 67852246 + ... + 70739871.

It is an arithmetic number, because the mean of its divisors is an integer number (9604433777400).

Almost surely, 2^{200101100222121} is an apocalyptic number.

200101100222121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200101100222121 is a deficient number, since it is larger than the sum of its proper divisors (107240780654679).

200101100222121 is a wasteful number, since it uses less digits than its factorization.

200101100222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138592673.

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

Adding to 200101100222121 its reverse (121222001101002), we get a palindrome (321323101323123).

The spelling of 200101100222121 in words is "two hundred trillion, one hundred one billion, one hundred million, two hundred twenty-two thousand, one hundred twenty-one".