1101012132220 has 576 divisors, whose sum is σ = 3216248985600. Its totient is φ = 307954944000.

The previous prime is 1101012132179. The next prime is 1101012132247. The reversal of 1101012132220 is 222312101011.

It is a junction number, because it is equal to n+sod(n) for n = 1101012132194 and 1101012132203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1312290561 + ... + 1312291399.

It is an arithmetic number, because the mean of its divisors is an integer number (5583765600).

Almost surely, 2^{1101012132220} is an apocalyptic number.

1101012132220 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 1101012132220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608124492800).

1101012132220 is an abundant number, since it is smaller than the sum of its proper divisors (2115236853380).

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

1101012132220 is a wasteful number, since it uses less digits than its factorization.

1101012132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1101012132220 its reverse (222312101011), we get a palindrome (1323324233231).

The spelling of 1101012132220 in words is "one trillion, one hundred one billion, twelve million, one hundred thirty-two thousand, two hundred twenty".