2000121210097 has 4 divisors (see below), whose sum is σ = 2000131799040. Its totient is φ = 2000110621156.

The previous prime is 2000121210091. The next prime is 2000121210107. The reversal of 2000121210097 is 7900121210002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000121210097 is a prime.

It is a super-2 number, since 2×2000121210097² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000121210091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005897 + ... + 5390662.

It is an arithmetic number, because the mean of its divisors is an integer number (500032949760).

Almost surely, 2^{2000121210097} is an apocalyptic number.

It is an amenable number.

2000121210097 is a deficient number, since it is larger than the sum of its proper divisors (10588943).

2000121210097 is a wasteful number, since it uses less digits than its factorization.

2000121210097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10588942.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 2000121210097 its reverse (7900121210002), we get a palindrome (9900242420099).

The spelling of 2000121210097 in words is "two trillion, one hundred twenty-one million, two hundred ten thousand, ninety-seven".