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122111121214 = 2474872667463
BaseRepresentation
bin111000110111001100…
…0111101011100111110
3102200012010121200101001
41301232120331130332
54000040421334324
6132032545040514
711552012255515
oct1615630753476
9380163550331
10122111121214
11478725a97a5
121b7ba92613a
13b69069a214
145ca588967c
15329a4b7e44
hex1c6e63d73e

122111121214 has 16 divisors (see below), whose sum is σ = 187448030208. Its totient is φ = 59633780472.

The previous prime is 122111121211. The next prime is 122111121217. The reversal of 122111121214 is 412121111221.

It is an interprime number because it is at equal distance from previous prime (122111121211) and next prime (122111121217).

It is a super-2 number, since 2×1221111212142 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111121191 and 122111121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111121211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287954 + ... + 1379509.

It is an arithmetic number, because the mean of its divisors is an integer number (11715501888).

Almost surely, 2122111121214 is an apocalyptic number.

122111121214 is a deficient number, since it is larger than the sum of its proper divisors (65336908994).

122111121214 is a wasteful number, since it uses less digits than its factorization.

122111121214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667999.

The product of its digits is 64, while the sum is 19.

Adding to 122111121214 its reverse (412121111221), we get a palindrome (534232232435).

The spelling of 122111121214 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, two hundred fourteen".

Divisors: 1 2 47 94 487 974 22889 45778 2667463 5334926 125370761 250741522 1299054481 2598108962 61055560607 122111121214