101012198 has 32 divisors (see below), whose sum is σ = 189278208. Its totient is φ = 39427200.

The previous prime is 101012161. The next prime is 101012207. The reversal of 101012198 is 891210101.

It is a congruent number.

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, 533 + ... + 14223.

It is an arithmetic number, because the mean of its divisors is an integer number (5914944).

Almost surely, 2^101012198 is an apocalyptic number.

101012198 is a deficient number, since it is larger than the sum of its proper divisors (88266010).

101012198 is a wasteful number, since it uses less digits than its factorization.

101012198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13748.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 101012198 is about 10050.4824759809. The cubic root of 101012198 is about 465.7196979471.

Adding to 101012198 its reverse (891210101), we get a palindrome (992222299).

The spelling of 101012198 in words is "one hundred one million, twelve thousand, one hundred ninety-eight".