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122022122202021 = 340674040734007
BaseRepresentation
bin11011101111101001111101…
…001111111010001110100101
3121000001012102111110012001010
4123233221331033322032211
5111443202301240431041
61111304104501252433
734462543640253066
oct3357517517721645
9530035374405033
10122022122202021
1135975322966888
1211828855a04119
135311837c2b2c2
14221bc8b9d056d
15e1911e84ea16
hex6efa7d3fa3a5

122022122202021 has 4 divisors (see below), whose sum is σ = 162696162936032. Its totient is φ = 81348081468012.

The previous prime is 122022122202007. The next prime is 122022122202107. The reversal of 122022122202021 is 120202221220221.

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 not a de Polignac number, because 122022122202021 - 29 = 122022122201509 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 (122022122202221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20337020367001 + ... + 20337020367006.

It is an arithmetic number, because the mean of its divisors is an integer number (40674040734008).

Almost surely, 2122022122202021 is an apocalyptic number.

It is an amenable number.

122022122202021 is a deficient number, since it is larger than the sum of its proper divisors (40674040734011).

122022122202021 is an equidigital number, since it uses as much as digits as its factorization.

122022122202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40674040734010.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122022122202021 its reverse (120202221220221), we get a palindrome (242224343422242).

The spelling of 122022122202021 in words is "one hundred twenty-two trillion, twenty-two billion, one hundred twenty-two million, two hundred two thousand, twenty-one".

Divisors: 1 3 40674040734007 122022122202021