20102221011102 has 16 divisors (see below), whose sum is σ = 40204747185552. Its totient is φ = 6700689476480.

The previous prime is 20102221011101. The next prime is 20102221011107. The reversal of 20102221011102 is 20111012220102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102221011101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11854299 + ... + 13443542.

It is an arithmetic number, because the mean of its divisors is an integer number (2512796699097).

Almost surely, 2^{20102221011102} is an apocalyptic number.

20102221011102 is an abundant number, since it is smaller than the sum of its proper divisors (20102526174450).

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

20102221011102 is a wasteful number, since it uses less digits than its factorization.

20102221011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25430283.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20102221011102 its reverse (20111012220102), we get a palindrome (40213233231204).

The spelling of 20102221011102 in words is "twenty trillion, one hundred two billion, two hundred twenty-one million, eleven thousand, one hundred two".