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122113211 = 1141270761
BaseRepresentation
bin1110100011101…
…00110010111011
322111202222211112
413101310302323
5222230110321
620041150535
73011642123
oct721646273
9274688745
10122113211
1162a25510
1234a8b44b
131c3b6a4c
1412309c83
15aac1a5b
hex7474cbb

122113211 has 8 divisors (see below), whose sum is σ = 136464048. Its totient is φ = 108304000.

The previous prime is 122113207. The next prime is 122113213. The reversal of 122113211 is 112311221.

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 122113211 - 22 = 122113207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122113213) 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, 134930 + ... + 135831.

It is an arithmetic number, because the mean of its divisors is an integer number (17058006).

Almost surely, 2122113211 is an apocalyptic number.

122113211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122113211 is a deficient number, since it is larger than the sum of its proper divisors (14350837).

122113211 is a wasteful number, since it uses less digits than its factorization.

122113211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270813.

The product of its digits is 24, while the sum is 14.

The square root of 122113211 is about 11050.4846500052. The cubic root of 122113211 is about 496.1209314802.

Adding to 122113211 its reverse (112311221), we get a palindrome (234424432).

The spelling of 122113211 in words is "one hundred twenty-two million, one hundred thirteen thousand, two hundred eleven".

Divisors: 1 11 41 451 270761 2978371 11101201 122113211