11022222020220 has 72 divisors (see below), whose sum is σ = 34249538690640. Its totient is φ = 2867569954560.

The previous prime is 11022222020197. The next prime is 11022222020231. The reversal of 11022222020220 is 2202022222011.

11022222020220 is a `hidden beast` number, since 1 + 1 + 0 + 222 + 220 + 2 + 0 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11022222020193 and 11022222020202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 746755630 + ... + 746770389.

It is an arithmetic number, because the mean of its divisors is an integer number (475688037370).

Almost surely, 2^{11022222020220} is an apocalyptic number.

11022222020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022222020220 is an abundant number, since it is smaller than the sum of its proper divisors (23227316670420).

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

11022222020220 is a wasteful number, since it uses less digits than its factorization.

11022222020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493526075 (or 1493526070 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 11022222020220 its reverse (2202022222011), we get a palindrome (13224244242231).

The spelling of 11022222020220 in words is "eleven trillion, twenty-two billion, two hundred twenty-two million, twenty thousand, two hundred twenty".