101220202110 has 64 divisors (see below), whose sum is σ = 251814666240. Its totient is φ = 26011991040.

The previous prime is 101220202093. The next prime is 101220202117. The reversal of 101220202110 is 11202022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220202117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5427 + ... + 449966.

It is an arithmetic number, because the mean of its divisors is an integer number (3934604160).

Almost surely, 2^101220202110 is an apocalyptic number.

101220202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101220202110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125907333120).

101220202110 is an abundant number, since it is smaller than the sum of its proper divisors (150594464130).

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

101220202110 is a wasteful number, since it uses less digits than its factorization.

101220202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455673.

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

Adding to 101220202110 its reverse (11202022101), we get a palindrome (112422224211).

The spelling of 101220202110 in words is "one hundred one billion, two hundred twenty million, two hundred two thousand, one hundred ten".