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220001022101101 = 311707398784891
BaseRepresentation
bin110010000001011011111010…
…110001011100011001101101
31001211221220002111100200100111
4302001123322301130121231
5212313444043124213401
62055523024014500021
764224356263140133
oct6201337261343155
91054856074320314
10220001022101101
116410aa0061a03a
1220811809204611
13959b01324a667
143c4816b903753
151a67ae8a1ee51
hexc816fac5c66d

220001022101101 has 4 divisors (see below), whose sum is σ = 220708420886304. Its totient is φ = 219293623315900.

The previous prime is 220001022101027. The next prime is 220001022101129. The reversal of 220001022101101 is 101101220100022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220001022101101 - 29 = 220001022100589 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 (220001022171101) 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, 353699392135 + ... + 353699392756.

It is an arithmetic number, because the mean of its divisors is an integer number (55177105221576).

Almost surely, 2220001022101101 is an apocalyptic number.

It is an amenable number.

220001022101101 is a deficient number, since it is larger than the sum of its proper divisors (707398785203).

220001022101101 is an equidigital number, since it uses as much as digits as its factorization.

220001022101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707398785202.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220001022101101 its reverse (101101220100022), we get a palindrome (321102242201123).

The spelling of 220001022101101 in words is "two hundred twenty trillion, one billion, twenty-two million, one hundred one thousand, one hundred one".

Divisors: 1 311 707398784891 220001022101101