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112022020121 = 1110183820011
BaseRepresentation
bin110100001010100001…
…0000110000000011001
3101201011000012020112012
41220111002012000121
53313410114120441
6123243500355305
711044003313564
oct1502502060031
9351130166465
10112022020121
1143565567820
1219863b45b35
13a7433b400b
1455c99714db
152da98a99eb
hex1a15086019

112022020121 has 4 divisors (see below), whose sum is σ = 122205840144. Its totient is φ = 101838200100.

The previous prime is 112022020109. The next prime is 112022020127. The reversal of 112022020121 is 121020220211.

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 112022020121 - 26 = 112022020057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112022020096 and 112022020105.

It is not an unprimeable number, because it can be changed into a prime (112022020127) 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, 5091909995 + ... + 5091910016.

It is an arithmetic number, because the mean of its divisors is an integer number (30551460036).

Almost surely, 2112022020121 is an apocalyptic number.

112022020121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112022020121 is a deficient number, since it is larger than the sum of its proper divisors (10183820023).

112022020121 is a wasteful number, since it uses less digits than its factorization.

112022020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183820022.

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

Adding to 112022020121 its reverse (121020220211), we get a palindrome (233042240332).

The spelling of 112022020121 in words is "one hundred twelve billion, twenty-two million, twenty thousand, one hundred twenty-one".

Divisors: 1 11 10183820011 112022020121