20010221102 has 8 divisors (see below), whose sum is σ = 30395272800. Its totient is φ = 9878463504.

The previous prime is 20010221069. The next prime is 20010221111. The reversal of 20010221102 is 20112201002.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63323327 + ... + 63323642.

It is an arithmetic number, because the mean of its divisors is an integer number (3799409100).

Almost surely, 2^20010221102 is an apocalyptic number.

20010221102 is a deficient number, since it is larger than the sum of its proper divisors (10385051698).

20010221102 is a wasteful number, since it uses less digits than its factorization.

20010221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126647050.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20010221102 its reverse (20112201002), we get a palindrome (40122422104).

The spelling of 20010221102 in words is "twenty billion, ten million, two hundred twenty-one thousand, one hundred two".