101102223220 has 24 divisors (see below), whose sum is σ = 214193564424. Its totient is φ = 40083004416.

The previous prime is 101102223191. The next prime is 101102223221. The reversal of 101102223220 is 22322201101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4867015696 + 96235207524 = 69764^2 + 310218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101102223194 and 101102223203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101102223221) 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, 22365489 + ... + 22370008.

It is an arithmetic number, because the mean of its divisors is an integer number (8924731851).

Almost surely, 2^101102223220 is an apocalyptic number.

101102223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101102223220 is an abundant number, since it is smaller than the sum of its proper divisors (113091341204).

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

101102223220 is a wasteful number, since it uses less digits than its factorization.

101102223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44735619 (or 44735617 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 101102223220 its reverse (22322201101), we get a palindrome (123424424321).

The spelling of 101102223220 in words is "one hundred one billion, one hundred two million, two hundred twenty-three thousand, two hundred twenty".