200121041422545 has 16 divisors (see below), whose sum is σ = 320224298275392. Its totient is φ = 106721011425600.

The previous prime is 200121041422537. The next prime is 200121041422553. The reversal of 200121041422545 is 545224140121002.

It is an interprime number because it is at equal distance from previous prime (200121041422537) and next prime (200121041422553).

It is not a de Polignac number, because 200121041422545 - 2³ = 200121041422537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638004631 + ... + 638318220.

It is an arithmetic number, because the mean of its divisors is an integer number (20014018642212).

Almost surely, 2^{200121041422545} is an apocalyptic number.

It is an amenable number.

200121041422545 is a deficient number, since it is larger than the sum of its proper divisors (120103256852847).

200121041422545 is a wasteful number, since it uses less digits than its factorization.

200121041422545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276333312.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 200121041422545 its reverse (545224140121002), we get a palindrome (745345181543547).

The spelling of 200121041422545 in words is "two hundred trillion, one hundred twenty-one billion, forty-one million, four hundred twenty-two thousand, five hundred forty-five".