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2221022002111 = 111071887019543
BaseRepresentation
bin100000010100011111001…
…110100011101110111111
321212022211211201220001021
4200110133032203232333
5242342123113031421
64420153505325011
7316314665344663
oct40243716435677
97768754656037
102221022002111
11786a26022350
122ba547936767
13131597bccb43
14796d88908a3
153cb91c98341
hex2051f3a3bbf

2221022002111 has 8 divisors (see below), whose sum is σ = 2445577329024. Its totient is φ = 2000240714520.

The previous prime is 2221022002061. The next prime is 2221022002141. The reversal of 2221022002111 is 1112002201222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221022002111 - 215 = 2221021969343 is a prime.

It is a super-2 number, since 2×22210220021112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221022002141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943508595 + ... + 943510948.

It is an arithmetic number, because the mean of its divisors is an integer number (305697166128).

Almost surely, 22221022002111 is an apocalyptic number.

2221022002111 is a deficient number, since it is larger than the sum of its proper divisors (224555326913).

2221022002111 is a wasteful number, since it uses less digits than its factorization.

2221022002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887019661.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221022002111 its reverse (1112002201222), we get a palindrome (3333024203333).

The spelling of 2221022002111 in words is "two trillion, two hundred twenty-one billion, twenty-two million, two thousand, one hundred eleven".

Divisors: 1 11 107 1177 1887019543 20757214973 201911091101 2221022002111