201101220102 has 16 divisors (see below), whose sum is σ = 403205443632. Its totient is φ = 66866572800.

The previous prime is 201101220059. The next prime is 201101220127. The reversal of 201101220102 is 201022101102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41789203 + ... + 41794014.

It is an arithmetic number, because the mean of its divisors is an integer number (25200340227).

Almost surely, 2^201101220102 is an apocalyptic number.

201101220102 is an abundant number, since it is smaller than the sum of its proper divisors (202104223530).

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

201101220102 is a wasteful number, since it uses less digits than its factorization.

201101220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83583623.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201101220102 its reverse (201022101102), we get a palindrome (402123321204).

The spelling of 201101220102 in words is "two hundred one billion, one hundred one million, two hundred twenty thousand, one hundred two".