101103222220 has 288 divisors, whose sum is σ = 290250705024. Its totient is φ = 28782673920.

The previous prime is 101103222193. The next prime is 101103222247. The reversal of 101103222220 is 22222301101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101103222193) and next prime (101103222247).

It is a junction number, because it is equal to n+sod(n) for n = 101103222194 and 101103222203.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21358974 + ... + 21363706.

It is an arithmetic number, because the mean of its divisors is an integer number (1007814948).

Almost surely, 2^101103222220 is an apocalyptic number.

101103222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101103222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145125352512).

101103222220 is an abundant number, since it is smaller than the sum of its proper divisors (189147482804).

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

101103222220 is a wasteful number, since it uses less digits than its factorization.

101103222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4881 (or 4868 counting only the distinct ones).

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

Adding to 101103222220 its reverse (22222301101), we get a palindrome (123325523321).

It can be divided in two parts, 101103 and 222220, that added together give a palindrome (323323).

The spelling of 101103222220 in words is "one hundred one billion, one hundred three million, two hundred twenty-two thousand, two hundred twenty".