101221102021098 has 16 divisors (see below), whose sum is σ = 206749484979840. Its totient is φ = 33022487184096.

The previous prime is 101221102020967. The next prime is 101221102021099. The reversal of 101221102021098 is 890120201122101.

It is a super-2 number, since 2×101221102021098² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101221102021099) 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, 179470038763 + ... + 179470039326.

It is an arithmetic number, because the mean of its divisors is an integer number (12921842811240).

Almost surely, 2^{101221102021098} is an apocalyptic number.

101221102021098 is an abundant number, since it is smaller than the sum of its proper divisors (105528382958742).

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

101221102021098 is a wasteful number, since it uses less digits than its factorization.

101221102021098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358940078141.

The product of its (nonzero) digits is 1152, while the sum is 30.

Adding to 101221102021098 its reverse (890120201122101), we get a palindrome (991341303143199).

The spelling of 101221102021098 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred two million, twenty-one thousand, ninety-eight".