190546121101 has 12 divisors (see below), whose sum is σ = 224692075452. Its totient is φ = 161087911488.

The previous prime is 190546121093. The next prime is 190546121111. The reversal of 190546121101 is 101121645091.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42224085225 + 148322035876 = 205485^2 + 385126^2 .

It is not a de Polignac number, because 190546121101 - 2³ = 190546121093 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 (190546121111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26631330 + ... + 26638483.

It is an arithmetic number, because the mean of its divisors is an integer number (18724339621).

Almost surely, 2^190546121101 is an apocalyptic number.

It is an amenable number.

190546121101 is a deficient number, since it is larger than the sum of its proper divisors (34145954351).

190546121101 is an equidigital number, since it uses as much as digits as its factorization.

190546121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53269900 (or 53269893 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 31.

Adding to 190546121101 its reverse (101121645091), we get a palindrome (291667766192).

The spelling of 190546121101 in words is "one hundred ninety billion, five hundred forty-six million, one hundred twenty-one thousand, one hundred one".