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122022011021 = 235305304827
BaseRepresentation
bin111000110100100010…
…1000010000010001101
3102122221220221102011112
41301221011002002031
53444400113323041
6132020043101405
711546550660161
oct1615105020215
9378856842145
10122022011021
1147827275a09
121b794b11865
13b67809a2b1
145c97ad0ca1
153292764deb
hex1c6914208d

122022011021 has 4 divisors (see below), whose sum is σ = 127327315872. Its totient is φ = 116716706172.

The previous prime is 122022010991. The next prime is 122022011039. The reversal of 122022011021 is 120110220221.

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 122022011021 - 214 = 122021994637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122022010987 and 122022011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122022016021) 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, 2652652391 + ... + 2652652436.

It is an arithmetic number, because the mean of its divisors is an integer number (31831828968).

Almost surely, 2122022011021 is an apocalyptic number.

It is an amenable number.

122022011021 is a deficient number, since it is larger than the sum of its proper divisors (5305304851).

122022011021 is an equidigital number, since it uses as much as digits as its factorization.

122022011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305304850.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122022011021 its reverse (120110220221), we get a palindrome (242132231242).

The spelling of 122022011021 in words is "one hundred twenty-two billion, twenty-two million, eleven thousand, twenty-one".

Divisors: 1 23 5305304827 122022011021