200101111122121 has 8 divisors (see below), whose sum is σ = 220453429356288. Its totient is φ = 180109010910000.

The previous prime is 200101111122091. The next prime is 200101111122127. The reversal of 200101111122121 is 121221111101002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200101111122121 - 2⁹ = 200101111121609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200101111122095 and 200101111122104.

It is not an unprimeable number, because it can be changed into a prime (200101111122127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90054504345 + ... + 90054506566.

It is an arithmetic number, because the mean of its divisors is an integer number (27556678669536).

Almost surely, 2^{200101111122121} is an apocalyptic number.

It is an amenable number.

200101111122121 is a deficient number, since it is larger than the sum of its proper divisors (20352318234167).

200101111122121 is a wasteful number, since it uses less digits than its factorization.

200101111122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180109011023.

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

Adding to 200101111122121 its reverse (121221111101002), we get a palindrome (321322222223123).

The spelling of 200101111122121 in words is "two hundred trillion, one hundred one billion, one hundred eleven million, one hundred twenty-two thousand, one hundred twenty-one".