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122111022031 is a prime number
BaseRepresentation
bin111000110111001100…
…0100101001111001111
3102200012010102122022121
41301232120211033033
54000040410201111
6132032542553411
711552011363405
oct1615630451717
9380163378277
10122111022031
1147872541229
121b7ba898867
13b69066402b
145ca5861475
15329a498871
hex1c6e6253cf

122111022031 has 2 divisors, whose sum is σ = 122111022032. Its totient is φ = 122111022030.

The previous prime is 122111022023. The next prime is 122111022101. The reversal of 122111022031 is 130220111221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122111022031 - 23 = 122111022023 is a prime.

It is a super-2 number, since 2×1221110220312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111021996 and 122111022014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122111022931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61055511015 + 61055511016.

It is an arithmetic number, because the mean of its divisors is an integer number (61055511016).

Almost surely, 2122111022031 is an apocalyptic number.

122111022031 is a deficient number, since it is larger than the sum of its proper divisors (1).

122111022031 is an equidigital number, since it uses as much as digits as its factorization.

122111022031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 122111022031 its reverse (130220111221), we get a palindrome (252331133252).

The spelling of 122111022031 in words is "one hundred twenty-two billion, one hundred eleven million, twenty-two thousand, thirty-one".