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2222221020101 = 43733312138789
BaseRepresentation
bin100000010101100110101…
…100011100101111000101
321212102221101220022111222
4200111212230130233011
5242402102040120401
64420512500410125
7316356465003155
oct40254654345705
97772841808458
102222221020101
11787490918305
122ba8213a6945
1313172943c344
14797adc06765
153cc1218cc1b
hex20566b1cbc5

2222221020101 has 16 divisors (see below), whose sum is σ = 2312014879680. Its totient is φ = 2134339320960.

The previous prime is 2222221020091. The next prime is 2222221020133. The reversal of 2222221020101 is 1010201222222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2222221020101 - 210 = 2222221019077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222221020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222221020161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30386 + ... + 2108403.

It is an arithmetic number, because the mean of its divisors is an integer number (144500929980).

Almost surely, 22222221020101 is an apocalyptic number.

It is an amenable number.

2222221020101 is a deficient number, since it is larger than the sum of its proper divisors (89793859579).

2222221020101 is a wasteful number, since it uses less digits than its factorization.

2222221020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139236.

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

Adding to 2222221020101 its reverse (1010201222222), we get a palindrome (3232422242323).

The spelling of 2222221020101 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-one million, twenty thousand, one hundred one".

Divisors: 1 43 73 331 3139 14233 24163 1039009 2138789 91967927 156131597 707939159 6713658671 30441383837 51679558607 2222221020101