1000220202197 has 16 divisors (see below), whose sum is σ = 1020081600000. Its totient is φ = 980459176944.

The previous prime is 1000220202173. The next prime is 1000220202209. The reversal of 1000220202197 is 7912020220001.

It is a cyclic number.

It is not a de Polignac number, because 1000220202197 - 2⁶ = 1000220202133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000220802197) 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 15 ways as a sum of consecutive naturals, for example, 35992454 + ... + 36020232.

It is an arithmetic number, because the mean of its divisors is an integer number (63755100000).

Almost surely, 2^{1000220202197} is an apocalyptic number.

It is an amenable number.

1000220202197 is a deficient number, since it is larger than the sum of its proper divisors (19861397803).

1000220202197 is a wasteful number, since it uses less digits than its factorization.

1000220202197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29560.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 1000220202197 its reverse (7912020220001), we get a palindrome (8912240422198).

The spelling of 1000220202197 in words is "one trillion, two hundred twenty million, two hundred two thousand, one hundred ninety-seven".