101221100102 has 8 divisors (see below), whose sum is σ = 151847846112. Its totient is φ = 50605151400.

The previous prime is 101221100093. The next prime is 101221100119. The reversal of 101221100102 is 201001122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101221100102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2675849 + ... + 2713412.

It is an arithmetic number, because the mean of its divisors is an integer number (18980980764).

Almost surely, 2^101221100102 is an apocalyptic number.

101221100102 is a deficient number, since it is larger than the sum of its proper divisors (50626746010).

101221100102 is an equidigital number, since it uses as much as digits as its factorization.

101221100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5398654.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101221100102 its reverse (201001122101), we get a palindrome (302222222203).

The spelling of 101221100102 in words is "one hundred one billion, two hundred twenty-one million, one hundred thousand, one hundred two".