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122005022101 = 971976384689
BaseRepresentation
bin111000110100000010…
…0001110010110010101
3102122220201222021202021
41301220010032112111
53444331241201401
6132014235013141
711546253401614
oct1615004162625
9378821867667
10122005022101
1147818721986
121b78b29a1b1
13b6746cc591
145c9574b87b
15329100b2a1
hex1c6810e595

122005022101 has 8 divisors (see below), whose sum is σ = 123888524760. Its totient is φ = 120134289408.

The previous prime is 122005022089. The next prime is 122005022137. The reversal of 122005022101 is 101220500221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 79042511025 + 42962511076 = 281145^2 + 207274^2 .

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 122005022101 - 27 = 122005021973 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 (122005020101) 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, 3173236 + ... + 3211453.

It is an arithmetic number, because the mean of its divisors is an integer number (15486065595).

Almost surely, 2122005022101 is an apocalyptic number.

It is an amenable number.

122005022101 is a deficient number, since it is larger than the sum of its proper divisors (1883502659).

122005022101 is an equidigital number, since it uses as much as digits as its factorization.

122005022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384983.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 122005022101 its reverse (101220500221), we get a palindrome (223225522322).

The spelling of 122005022101 in words is "one hundred twenty-two billion, five million, twenty-two thousand, one hundred one".

Divisors: 1 97 197 19109 6384689 619314833 1257783733 122005022101