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22002210101 = 171294247653
BaseRepresentation
bin10100011111011011…
…110001010100110101
32002210101001002011102
4110133123301110311
5330030031210401
614035131415445
71406143462064
oct243733612465
962711032142
1022002210101
119370746113
1243205b4585
1320c8446c41
1410ca1981db
1588b91856b
hex51f6f1535

22002210101 has 4 divisors (see below), whose sum is σ = 23296457772. Its totient is φ = 20707962432.

The previous prime is 22002210091. The next prime is 22002210107. The reversal of 22002210101 is 10101220022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10101220022 = 25050610011.

It can be written as a sum of positive squares in 2 ways, for example, as 17049569476 + 4952640625 = 130574^2 + 70375^2 .

It is a cyclic number.

It is not a de Polignac number, because 22002210101 - 234 = 4822340917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002210107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647123810 + ... + 647123843.

It is an arithmetic number, because the mean of its divisors is an integer number (5824114443).

Almost surely, 222002210101 is an apocalyptic number.

It is an amenable number.

22002210101 is a deficient number, since it is larger than the sum of its proper divisors (1294247671).

22002210101 is a wasteful number, since it uses less digits than its factorization.

22002210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294247670.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22002210101 its reverse (10101220022), we get a palindrome (32103430123).

It can be divided in two parts, 220022 and 10101, that multiplied together give a palindrome (2222442222).

The spelling of 22002210101 in words is "twenty-two billion, two million, two hundred ten thousand, one hundred one".

Divisors: 1 17 1294247653 22002210101