221002121101102 has 8 divisors (see below), whose sum is σ = 361639834529112. Its totient is φ = 100455509591400.

The previous prime is 221002121101093. The next prime is 221002121101109. The reversal of 221002121101102 is 201101121200122.

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

It is a super-2 number, since 2×221002121101102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002121101109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5022775479549 + ... + 5022775479592.

It is an arithmetic number, because the mean of its divisors is an integer number (45204979316139).

Almost surely, 2^{221002121101102} is an apocalyptic number.

221002121101102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221002121101102 is a deficient number, since it is larger than the sum of its proper divisors (140637713428010).

221002121101102 is a wasteful number, since it uses less digits than its factorization.

221002121101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10045550959154.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221002121101102 its reverse (201101121200122), we get a palindrome (422103242301224).

The spelling of 221002121101102 in words is "two hundred twenty-one trillion, two billion, one hundred twenty-one million, one hundred one thousand, one hundred two".