101111020198 has 16 divisors (see below), whose sum is σ = 159893503920. Its totient is φ = 47821336416.

The previous prime is 101111020177. The next prime is 101111020211. The reversal of 101111020198 is 891020111101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2012565 + ... + 2062192.

It is an arithmetic number, because the mean of its divisors is an integer number (9993343995).

Almost surely, 2^101111020198 is an apocalyptic number.

101111020198 is a deficient number, since it is larger than the sum of its proper divisors (58782483722).

101111020198 is a wasteful number, since it uses less digits than its factorization.

101111020198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075431.

The product of its (nonzero) digits is 144, while the sum is 25.

Adding to 101111020198 its reverse (891020111101), we get a palindrome (992131131299).

The spelling of 101111020198 in words is "one hundred one billion, one hundred eleven million, twenty thousand, one hundred ninety-eight".