201110220199969 has 4 divisors (see below), whose sum is σ = 201110265338560. Its totient is φ = 201110175061380.

The previous prime is 201110220199913. The next prime is 201110220199979. The reversal of 201110220199969 is 969991022011102.

It is a happy number.

201110220199969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 201110220199969 - 2²¹ = 201110218102817 is a prime.

It is a super-2 number, since 2×201110220199969² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201110220199979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15051477 + ... + 25075234.

It is an arithmetic number, because the mean of its divisors is an integer number (50277566334640).

Almost surely, 2^{201110220199969} is an apocalyptic number.

It is an amenable number.

201110220199969 is a deficient number, since it is larger than the sum of its proper divisors (45138591).

201110220199969 is an equidigital number, since it uses as much as digits as its factorization.

201110220199969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45138590.

The product of its (nonzero) digits is 314928, while the sum is 52.

The spelling of 201110220199969 in words is "two hundred one trillion, one hundred ten billion, two hundred twenty million, one hundred ninety-nine thousand, nine hundred sixty-nine".