1000121112201 has 8 divisors (see below), whose sum is σ = 1334299587424. Its totient is φ = 666345022560.

The previous prime is 1000121112197. The next prime is 1000121112259. The reversal of 1000121112201 is 1022111210001.

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

It is not a de Polignac number, because 1000121112201 - 2² = 1000121112197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000121112701) 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, 100590595 + ... + 100600536.

It is an arithmetic number, because the mean of its divisors is an integer number (166787448428).

Almost surely, 2^{1000121112201} is an apocalyptic number.

It is an amenable number.

1000121112201 is a deficient number, since it is larger than the sum of its proper divisors (334178475223).

1000121112201 is a wasteful number, since it uses less digits than its factorization.

1000121112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201192791.

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

Adding to 1000121112201 its reverse (1022111210001), we get a palindrome (2022232322202).

The spelling of 1000121112201 in words is "one trillion, one hundred twenty-one million, one hundred twelve thousand, two hundred one".