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122111230133 = 490324905411
BaseRepresentation
bin111000110111001100…
…1011000000010110101
3102200012010211012210002
41301232121120002311
54000040433331013
6132032551241045
711552013221204
oct1615631300265
9380163735702
10122111230133
1147872673612
121b7ba979185
13b690707979
145ca58b723b
15329a4da358
hex1c6e6580b5

122111230133 has 4 divisors (see below), whose sum is σ = 122136140448. Its totient is φ = 122086319820.

The previous prime is 122111230049. The next prime is 122111230139. The reversal of 122111230133 is 331032111221.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 331032111221 = 747290301603.

It is a cyclic number.

It is not a de Polignac number, because 122111230133 - 222 = 122107035829 is a prime.

It is a super-2 number, since 2×1221112301332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111230139) 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, 12447803 + ... + 12457608.

It is an arithmetic number, because the mean of its divisors is an integer number (30534035112).

Almost surely, 2122111230133 is an apocalyptic number.

It is an amenable number.

122111230133 is a deficient number, since it is larger than the sum of its proper divisors (24910315).

122111230133 is an equidigital number, since it uses as much as digits as its factorization.

122111230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24910314.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 122111230133 its reverse (331032111221), we get a palindrome (453143341354).

The spelling of 122111230133 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred thirty thousand, one hundred thirty-three".

Divisors: 1 4903 24905411 122111230133