201121098 has 16 divisors (see below), whose sum is σ = 406226016. Its totient is φ = 66376400.

The previous prime is 201121093. The next prime is 201121103. The reversal of 201121098 is 890121102.

It is an interprime number because it is at equal distance from previous prime (201121093) and next prime (201121103).

It is not an unprimeable number, because it can be changed into a prime (201121093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165336 + ... + 166547.

It is an arithmetic number, because the mean of its divisors is an integer number (25389126).

Almost surely, 2^201121098 is an apocalyptic number.

201121098 is an abundant number, since it is smaller than the sum of its proper divisors (205104918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201121098 is a wasteful number, since it uses less digits than its factorization.

201121098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331989.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 201121098 is about 14181.7170328561. The cubic root of 201121098 is about 585.8942157437.

The spelling of 201121098 in words is "two hundred one million, one hundred twenty-one thousand, ninety-eight".