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2210222211020 = 225110511110551
BaseRepresentation
bin100000001010011011100…
…000100111111111001100
321211021222012000122210122
4200022123200213333030
5242203013341223040
64411210112324112
7315453236546405
oct40123340477714
97737865018718
102210222211020
117823938aa46a
122b8432b43638
13130566603905
1478d924189ac
153c75daa51b5
hex2029b827fcc

2210222211020 has 12 divisors (see below), whose sum is σ = 4641466643184. Its totient is φ = 884088884400.

The previous prime is 2210222211007. The next prime is 2210222211037. The reversal of 2210222211020 is 201122220122.

It is a happy number.

It is a super-2 number, since 2×22102222110202 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2210222211020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55255555256 + ... + 55255555295.

It is an arithmetic number, because the mean of its divisors is an integer number (386788886932).

Almost surely, 22210222211020 is an apocalyptic number.

2210222211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210222211020 is an abundant number, since it is smaller than the sum of its proper divisors (2431244432164).

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

2210222211020 is a wasteful number, since it uses less digits than its factorization.

2210222211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110511110560 (or 110511110558 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2210222211020 its reverse (201122220122), we get a palindrome (2411344431142).

It can be divided in two parts, 2210222 and 211020, that added together give a palindrome (2421242).

The spelling of 2210222211020 in words is "two trillion, two hundred ten billion, two hundred twenty-two million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 110511110551 221022221102 442044442204 552555552755 1105111105510 2210222211020