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2011202222022 = 23579721792797
BaseRepresentation
bin11101010001000100111…
…111100111011111000110
321010021021010210200200000
4131101010333213133012
5230422420232101042
64135533351302130
7265206315551340
oct35210477473706
97107233720600
102011202222022
11705a4524a014
1228594b67a946
1311786a343506
146d4b2560290
15374b16b474c
hex1d444fe77c6

2011202222022 has 192 divisors, whose sum is σ = 5222072593920. Its totient is φ = 568240966656.

The previous prime is 2011202222009. The next prime is 2011202222027. The reversal of 2011202222022 is 2202222021102.

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 = 2011202221986 and 2011202222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011202222027) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 719055528 + ... + 719058324.

It is an arithmetic number, because the mean of its divisors is an integer number (27198294760).

Almost surely, 22011202222022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011202222022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2611036296960).

2011202222022 is an abundant number, since it is smaller than the sum of its proper divisors (3210870371898).

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

2011202222022 is a wasteful number, since it uses less digits than its factorization.

2011202222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097 (or 5085 counting only the distinct ones).

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

Adding to 2011202222022 its reverse (2202222021102), we get a palindrome (4213424243124).

The spelling of 2011202222022 in words is "two trillion, eleven billion, two hundred two million, two hundred twenty-two thousand, twenty-two".