221001011110102 has 8 divisors (see below), whose sum is σ = 342932603446800. Its totient is φ = 106690143294504.

The previous prime is 221001011110093. The next prime is 221001011110111. The reversal of 221001011110102 is 201011110100122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (221001011110093) and next prime (221001011110111).

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

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, 1905181130202 + ... + 1905181130317.

It is an arithmetic number, because the mean of its divisors is an integer number (42866575430850).

Almost surely, 2^{221001011110102} is an apocalyptic number.

221001011110102 is a deficient number, since it is larger than the sum of its proper divisors (121931592336698).

221001011110102 is a wasteful number, since it uses less digits than its factorization.

221001011110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810362260550.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 221001011110102 its reverse (201011110100122), we get a palindrome (422012121210224).

The spelling of 221001011110102 in words is "two hundred twenty-one trillion, one billion, eleven million, one hundred ten thousand, one hundred two".