101121201098 has 4 divisors (see below), whose sum is σ = 151681801650. Its totient is φ = 50560600548.

The previous prime is 101121201091. The next prime is 101121201187. The reversal of 101121201098 is 890102121101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55834381849 + 45286819249 = 236293^2 + 212807^2 .

It is not an unprimeable number, because it can be changed into a prime (101121201091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25280300273 + ... + 25280300276.

Almost surely, 2^101121201098 is an apocalyptic number.

101121201098 is a deficient number, since it is larger than the sum of its proper divisors (50560600552).

101121201098 is an equidigital number, since it uses as much as digits as its factorization.

101121201098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50560600551.

The product of its (nonzero) digits is 288, while the sum is 26.

Adding to 101121201098 its reverse (890102121101), we get a palindrome (991223322199).

The spelling of 101121201098 in words is "one hundred one billion, one hundred twenty-one million, two hundred one thousand, ninety-eight".