1011221100102 has 8 divisors (see below), whose sum is σ = 2022442200216. Its totient is φ = 337073700032.

The previous prime is 1011221100017. The next prime is 1011221100119. The reversal of 1011221100102 is 2010011221101.

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

1011221100102 is an admirable number.

It is a super-2 number, since 2×1011221100102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84268425003 + ... + 84268425014.

It is an arithmetic number, because the mean of its divisors is an integer number (252805275027).

Almost surely, 2^{1011221100102} is an apocalyptic number.

1011221100102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1011221100102 is a wasteful number, since it uses less digits than its factorization.

1011221100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168536850022.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011221100102 its reverse (2010011221101), we get a palindrome (3021232321203).

The spelling of 1011221100102 in words is "one trillion, eleven billion, two hundred twenty-one million, one hundred thousand, one hundred two".